Mitochondrien, Aufbau und Funktionen
•Als PPT, PDF herunterladen•
1 gefällt mir•11,459 views
Beschreibung des Aufbaus der Mitochondrien und ihre unterschiedliche Funktionen
Melden
Teilen
Melden
Teilen
Empfohlen
Histology slides for MBBS part 1 uhs
This document provides descriptions and histological features of various tissues and organs that may be seen on histology slides for medical students taking their MBBS Part 1 exams. It includes summaries of simple and stratified epithelia, connective tissues like areolar, adipose, dense regular and irregular tissues, cartilage, bone, muscle tissues, blood vessels, lymphatic structures, nervous system structures and skin. For each tissue or organ, it lists the key cell types and structures visible under the microscope.
2nd week of development.pdf
During the second week of intrauterine life (days 8-13):
1. The blastocyst implants and differentiates into the trophoblast (outer layer) and inner cell mass. The inner cell mass then forms two layers - the hypoblast and epiblast. Together these layers form a flat disc called the bilaminar germ disc.
2. Within the disc, a cavity (the amniotic cavity) forms within the epiblast. Between the trophoblast and yolk sac, extraembryonic mesoderm starts to form and an extraembryonic cavity (the chorionic cavity) develops.
3. By the end of the second week, the formation of
Epithelium[1]
Epithelium is a tissue that consists of closely packed cells that form a continuous layer. It covers external surfaces of the body and internal cavities. There are two main types of epithelium - glandular epithelium which produces secretions or excretions, and covering epithelium which forms protective layers. Covering epithelium is classified based on cell layers (simple vs stratified), cell shape (squamous, cuboidal, columnar), and cellular modifications like cilia or microvilli. Epithelium serves functions like protection, secretion, absorption, excretion, and transport.
histology of Digestive system histology 1
This document describes the histology of structures in the digestive system, including the tongue, salivary glands, and taste buds. The tongue contains four types of papillae - filiform, fungiform, circumvallate, and foliate - which vary in shape and presence of taste buds. There are three major salivary glands - parotid, submandibular, and sublingual. Each gland contains serous or mucous acini and a duct system to release secretions. Taste buds contain gustatory and supporting cells and detect different tastes.
histology of male reproductive histology ppt
The document summarizes the histology of the male reproductive system. It describes the key structures including the testis, seminiferous tubules, Sertoli and Leydig cells involved in spermatogenesis. It then discusses the male duct system including the rete testis, efferent ductules, epididymis, vas deferens, and accessory glands like the seminal vesicles and prostate gland. Diagrams are provided to illustrate the microscopic anatomy of each structure.
Cartilage and Bone
This document discusses cartilage and bone. It defines cartilage as a specialized connective tissue that functions as a supporting or weight-bearing tissue. There are three main types of cartilage: hyaline, elastic, and fibrocartilage. Bone is a highly vascularized living tissue with a calcified matrix. It provides structure and support for the body. The document outlines the basic components, cells, and structures of both cartilage and bone in detail.
Histology: Tissues
This document provides an overview of the four basic tissue types - epithelial, connective, muscle and nervous tissue. It discusses the characteristics, functions and examples of each tissue type. In particular, it examines the different cell layers, shapes and surfaces of epithelial tissue, the various cell types and extracellular matrix components of connective tissue, and the three main categories of muscle tissue - skeletal, cardiac and smooth muscle.
Cartilage & bone connective tissue
Cartilage and bone are connective tissues that provide structure and support. There are three types of cartilage - hyaline, fibro, and elastic - each with different compositions and locations in the body. Bones contain bone tissue as well as other tissues. Bones function to provide structure, protect organs, allow movement via muscle attachment, produce blood cells, and store minerals and energy. There are four classes of bones - long, short, flat, and irregular - with different shapes and locations. Bones grow and remodel through both interstitial and appositional growth.
Empfohlen
Histology slides for MBBS part 1 uhs
This document provides descriptions and histological features of various tissues and organs that may be seen on histology slides for medical students taking their MBBS Part 1 exams. It includes summaries of simple and stratified epithelia, connective tissues like areolar, adipose, dense regular and irregular tissues, cartilage, bone, muscle tissues, blood vessels, lymphatic structures, nervous system structures and skin. For each tissue or organ, it lists the key cell types and structures visible under the microscope.
2nd week of development.pdf
During the second week of intrauterine life (days 8-13):
1. The blastocyst implants and differentiates into the trophoblast (outer layer) and inner cell mass. The inner cell mass then forms two layers - the hypoblast and epiblast. Together these layers form a flat disc called the bilaminar germ disc.
2. Within the disc, a cavity (the amniotic cavity) forms within the epiblast. Between the trophoblast and yolk sac, extraembryonic mesoderm starts to form and an extraembryonic cavity (the chorionic cavity) develops.
3. By the end of the second week, the formation of
Epithelium[1]
Epithelium is a tissue that consists of closely packed cells that form a continuous layer. It covers external surfaces of the body and internal cavities. There are two main types of epithelium - glandular epithelium which produces secretions or excretions, and covering epithelium which forms protective layers. Covering epithelium is classified based on cell layers (simple vs stratified), cell shape (squamous, cuboidal, columnar), and cellular modifications like cilia or microvilli. Epithelium serves functions like protection, secretion, absorption, excretion, and transport.
histology of Digestive system histology 1
This document describes the histology of structures in the digestive system, including the tongue, salivary glands, and taste buds. The tongue contains four types of papillae - filiform, fungiform, circumvallate, and foliate - which vary in shape and presence of taste buds. There are three major salivary glands - parotid, submandibular, and sublingual. Each gland contains serous or mucous acini and a duct system to release secretions. Taste buds contain gustatory and supporting cells and detect different tastes.
histology of male reproductive histology ppt
The document summarizes the histology of the male reproductive system. It describes the key structures including the testis, seminiferous tubules, Sertoli and Leydig cells involved in spermatogenesis. It then discusses the male duct system including the rete testis, efferent ductules, epididymis, vas deferens, and accessory glands like the seminal vesicles and prostate gland. Diagrams are provided to illustrate the microscopic anatomy of each structure.
Cartilage and Bone
This document discusses cartilage and bone. It defines cartilage as a specialized connective tissue that functions as a supporting or weight-bearing tissue. There are three main types of cartilage: hyaline, elastic, and fibrocartilage. Bone is a highly vascularized living tissue with a calcified matrix. It provides structure and support for the body. The document outlines the basic components, cells, and structures of both cartilage and bone in detail.
Histology: Tissues
This document provides an overview of the four basic tissue types - epithelial, connective, muscle and nervous tissue. It discusses the characteristics, functions and examples of each tissue type. In particular, it examines the different cell layers, shapes and surfaces of epithelial tissue, the various cell types and extracellular matrix components of connective tissue, and the three main categories of muscle tissue - skeletal, cardiac and smooth muscle.
Cartilage & bone connective tissue
Cartilage and bone are connective tissues that provide structure and support. There are three types of cartilage - hyaline, fibro, and elastic - each with different compositions and locations in the body. Bones contain bone tissue as well as other tissues. Bones function to provide structure, protect organs, allow movement via muscle attachment, produce blood cells, and store minerals and energy. There are four classes of bones - long, short, flat, and irregular - with different shapes and locations. Bones grow and remodel through both interstitial and appositional growth.
Bone tissue
The skeletal system is composed of bones and associated tissues that provide structure, protection, movement, and mineral storage. Bones are living tissues composed of cells, collagen fibers, and minerals. There are four types of bones - long, short, flat, and irregular - with different structures adapted to their functions. Bones develop through intramembranous or endochondral ossification and are remodeled throughout life by bone cells.
Limiting structure presentation
This document discusses the anatomical landmarks that limit the periphery of maxillary dentures, including the labial frenum, labial vestibule, buccal frenum, buccal vestibule, pterygomaxillary notch, and vibrating line of the palate. Each structure is defined along with considerations for how it impacts the design of dentures, such as ensuring frenums can pass through notches and ensuring flanges do not extend beyond vestibules or risk interfering with other structures like the coronoid process. The vibrating line of the palate specifically marks where hard and soft palates meet and is used to determine the posterior border of dentures.
Lecture 2 leucocytes
White blood cells (WBCs), also known as leukocytes, are cells that contain a nucleus and function to protect the body as part of the immune system. There are different types of WBCs including granulocytes like neutrophils, eosinophils, and basophils, as well as agranulocytes like lymphocytes and monocytes. WBCs are formed through leukopoiesis in the bone marrow and lymphatic tissue and have varying lifespans ranging from hours to years depending on the cell type. Disorders can occur when WBC counts are abnormal, such as leukopenia when counts are low and leukocytosis when they are high.
Histology of cns.dk.2014
1. The document summarizes the histology of the central nervous system, including the two main cell types (neurons and neuroglia) and their roles.
2. It describes the structure and cell types of several areas of the CNS in detail, including the cerebral cortex, spinal cord, cerebellum, and sensory ganglia.
3. Neurons are the excitable cells that transmit electrical signals, while neuroglia are the supporting cells that surround neurons and help control their chemical environment.
Exocrine glands histology
Classification of glands.
Detailed microscopic structure of exocrine glands.
differences between serous and mucus acini.
Microscopic structure of Parotid, submandibular and sublingual glands.
General anatomy of muscle
General Anatomy of muscle discusses the nomenclature, attachments, nerve supply, and actions of muscles. Muscles are named according to their shape, number of heads, location, fiber direction, attachments, and nerve supply. Injuries to nerves can result in paralysis of innervated muscles and functional impairments. For example, injury to the median nerve can cause the "Pope's blessing" sign where the lateral fingers fail to flex when making a fist. The document provides examples of muscle names and the effects of nerve injuries on muscle function.
Histology of glands
Hello friends..you can use these notes for your convenience as they are taken from many other standard books.. Thank you.
Histology -Epithelial tissue
This document provides information on epithelial tissue. It begins by defining epithelium as sheets of cells that cover outer surfaces of the body and line internal organs. Epithelial tissue is classified based on the number of cell layers and cell shapes. There are simple, stratified, pseudostratified and transitional epithelia. The document also describes basement membranes, intercellular junctions, and specializations of the free cell surface like microvilli, cilia and stereocilia. Glandular epithelia are discussed, including exocrine and endocrine glands and their classifications.
histology of digestive system (1)
The document provides information on the digestive system. It discusses the different parts of the digestive system including the oral cavity, esophagus, stomach, and small intestine. It describes the histological layers common to the tubular organs of the digestive system, including the mucosa, submucosa, muscularis, and serosa/adventitia. It also provides details on the microscopic structure and functions of the various glands and tissues within these organs.
Skin and fascia
skin and fascia description for medical students from clinical anatomy by richard s. snell .you get everything you want follow me back and tell anything which is in your heart :) <3
slides by our kind hearted teacher MAM AMMARAH :)
Bone tissue
There are two main types of bone tissue: compact bone and spongy bone. Compact bone looks solid and is densely packed, consisting of concentric cylindrical layers surrounding central canals. Spongy bone has a porous, sponge-like appearance due to trabeculae that form bone spicules and columns, leaving spaces between them. Both tissues have different microscopic structures that give them their distinct macroscopic appearances. Bone tissue serves important functions as the main structural support of the body, protecting internal organs, providing attachment sites for tendons and muscles, housing bone marrow, and storing minerals.
Connective tissue : General
This document provides information on connective tissue, including its history, classification, components, and fibers. It discusses the classification of connective tissue into general and specialized types based on matrix, fibers, and cells. The major components of general connective tissue are mesenchymal cells, collagenous, elastic, reticular, and oxytalan fibers, and ground substance made of proteoglycans and glycoproteins. Collagen is the most abundant fiber and comes in many types that provide structure and strength. Elastic fibers allow tissues to stretch and contract. Connective tissue disorders can arise from mutations affecting collagen and elastin.
Embryonic period 4th – 8th week & Folding (General Embryology)
The document discusses embryonic development from the 4th to 8th week. It describes how the neural tube forms from the neural plate and folds, and how it eventually develops into the brain and spinal cord. It also discusses the fate of the neural crest in forming various structures. The ectoderm gives rise to other structures like the skin, ears and eyes. As the embryo folds and bends upon itself, its shape changes from a flat disc to a cylinder. This folding results in the gut and membranes that will aid in nutrient exchange for the growing embryo.
General histology
This document provides an overview of general histology, covering topics like cytology, embryology, tissues, blood, and more. It begins with definitions of noncellular structures like symplasts and syncytium. It then discusses cells in detail, including their membranes, organelles, and inclusions. The document covers embryology, describing the stages of fertilization, cleavage, gastrulation, and histogenesis. It provides information on the four basic tissues - epithelial, connective, muscular and nervous. Specific cell and tissue types are defined such as erythrocytes, stratified squamous epithelium, and exocrine glands.
Skin and fascial medicos notes.com
This document summarizes the structure and function of skin and fascia. It describes the layers of the epidermis and dermis, the cell types found in each, and their roles. It discusses the blood supply, lymphatics, and innervation of the skin. It also briefly outlines the structure and functions of the hypodermis/superficial fascia and deep fascia.
Histology of Endocrine system.
The document discusses the endocrine system and its major glands. It provides details on the structure and function of the pituitary gland, thyroid gland, parathyroid glands, adrenal glands, pancreas, and pineal gland. Key points include that the endocrine system is made up of ductless glands that secrete hormones directly into the bloodstream, and that the major glands have distinct zones or areas that secrete different hormones like thyroid hormones or adrenal corticosteroids.
Formation of bilaminar germ disc
The document summarizes the formation of the bilaminar germ disc over 13 days:
- The inner cell mass divides into hypoblast and epiblast layers, forming a small amniotic cavity lined by amniogenic cells.
- By day 8, hypoblast cells line the exocoelomic cavity and extraembryonic mesoderm is laid down between trophoblast and amnion/exocoelomic layers.
- By day 12, the chorionic cavity surrounds the yolk sac and amniotic cavity, separating the extraembryonic somatic and splanchnic mesoderm. Pinching off forms the secondary yolk sac.
Histology of Cardiovascular system
This document discusses the structure of blood vessels. It describes the layers of the aorta wall - tunica intima, tunica media, and tunica adventitia. The tunica media is the thickest layer and contains both smooth muscle cells and elastic fibers. Cross-sections of a muscular artery and vein are also shown, noting the prominent internal elastic lamina in the artery and thinner wall of the vein. Muscular arteries contain more smooth muscle and less elastin than elastic arteries.
Histology slides snapshots (first year mbbs)
This document provides identification points for various tissues and organs that would be seen under a microscope in histology slides for first year medical students. It includes summaries of simple and stratified epithelia, cartilage, bone, muscle, nervous system structures, blood vessels, lymphatic structures, endocrine glands, respiratory system, adipose tissue and more. The purpose is to aid students in identifying and distinguishing between different tissue types commonly seen in histology.
Nervous tissue histology
This document discusses the structure and function of nervous tissue. It begins by defining the basic components of nervous tissue: neurons, nerve processes (axons and dendrites), and neuroglia. It then describes in detail the anatomy and roles of neurons, glial cells like astrocytes and oligodendrocytes, myelination of axons, and synaptic transmission of nerve impulses between neurons. In summary, it provides an overview of the key cell types in the nervous system and how they enable neural signaling and communication.
Mitochondria 2
Mitochondria have five distinct parts: the outer mitochondrial membrane, the intermembrane space, the inner mitochondrial membrane, the cristae space, and the matrix. The inner mitochondrial membrane is compartmentalized into cristae to enhance its ability to produce ATP through oxidative phosphorylation. The matrix contains enzymes, ribosomes, tRNA, and mitochondrial DNA that allow ATP production with the help of ATP synthase in the inner membrane.
Weitere ähnliche Inhalte
Was ist angesagt?
Bone tissue
The skeletal system is composed of bones and associated tissues that provide structure, protection, movement, and mineral storage. Bones are living tissues composed of cells, collagen fibers, and minerals. There are four types of bones - long, short, flat, and irregular - with different structures adapted to their functions. Bones develop through intramembranous or endochondral ossification and are remodeled throughout life by bone cells.
Limiting structure presentation
This document discusses the anatomical landmarks that limit the periphery of maxillary dentures, including the labial frenum, labial vestibule, buccal frenum, buccal vestibule, pterygomaxillary notch, and vibrating line of the palate. Each structure is defined along with considerations for how it impacts the design of dentures, such as ensuring frenums can pass through notches and ensuring flanges do not extend beyond vestibules or risk interfering with other structures like the coronoid process. The vibrating line of the palate specifically marks where hard and soft palates meet and is used to determine the posterior border of dentures.
Lecture 2 leucocytes
White blood cells (WBCs), also known as leukocytes, are cells that contain a nucleus and function to protect the body as part of the immune system. There are different types of WBCs including granulocytes like neutrophils, eosinophils, and basophils, as well as agranulocytes like lymphocytes and monocytes. WBCs are formed through leukopoiesis in the bone marrow and lymphatic tissue and have varying lifespans ranging from hours to years depending on the cell type. Disorders can occur when WBC counts are abnormal, such as leukopenia when counts are low and leukocytosis when they are high.
Histology of cns.dk.2014
1. The document summarizes the histology of the central nervous system, including the two main cell types (neurons and neuroglia) and their roles.
2. It describes the structure and cell types of several areas of the CNS in detail, including the cerebral cortex, spinal cord, cerebellum, and sensory ganglia.
3. Neurons are the excitable cells that transmit electrical signals, while neuroglia are the supporting cells that surround neurons and help control their chemical environment.
Exocrine glands histology
Classification of glands.
Detailed microscopic structure of exocrine glands.
differences between serous and mucus acini.
Microscopic structure of Parotid, submandibular and sublingual glands.
General anatomy of muscle
General Anatomy of muscle discusses the nomenclature, attachments, nerve supply, and actions of muscles. Muscles are named according to their shape, number of heads, location, fiber direction, attachments, and nerve supply. Injuries to nerves can result in paralysis of innervated muscles and functional impairments. For example, injury to the median nerve can cause the "Pope's blessing" sign where the lateral fingers fail to flex when making a fist. The document provides examples of muscle names and the effects of nerve injuries on muscle function.
Histology of glands
Hello friends..you can use these notes for your convenience as they are taken from many other standard books.. Thank you.
Histology -Epithelial tissue
This document provides information on epithelial tissue. It begins by defining epithelium as sheets of cells that cover outer surfaces of the body and line internal organs. Epithelial tissue is classified based on the number of cell layers and cell shapes. There are simple, stratified, pseudostratified and transitional epithelia. The document also describes basement membranes, intercellular junctions, and specializations of the free cell surface like microvilli, cilia and stereocilia. Glandular epithelia are discussed, including exocrine and endocrine glands and their classifications.
histology of digestive system (1)
The document provides information on the digestive system. It discusses the different parts of the digestive system including the oral cavity, esophagus, stomach, and small intestine. It describes the histological layers common to the tubular organs of the digestive system, including the mucosa, submucosa, muscularis, and serosa/adventitia. It also provides details on the microscopic structure and functions of the various glands and tissues within these organs.
Skin and fascia
skin and fascia description for medical students from clinical anatomy by richard s. snell .you get everything you want follow me back and tell anything which is in your heart :) <3
slides by our kind hearted teacher MAM AMMARAH :)
Bone tissue
There are two main types of bone tissue: compact bone and spongy bone. Compact bone looks solid and is densely packed, consisting of concentric cylindrical layers surrounding central canals. Spongy bone has a porous, sponge-like appearance due to trabeculae that form bone spicules and columns, leaving spaces between them. Both tissues have different microscopic structures that give them their distinct macroscopic appearances. Bone tissue serves important functions as the main structural support of the body, protecting internal organs, providing attachment sites for tendons and muscles, housing bone marrow, and storing minerals.
Connective tissue : General
This document provides information on connective tissue, including its history, classification, components, and fibers. It discusses the classification of connective tissue into general and specialized types based on matrix, fibers, and cells. The major components of general connective tissue are mesenchymal cells, collagenous, elastic, reticular, and oxytalan fibers, and ground substance made of proteoglycans and glycoproteins. Collagen is the most abundant fiber and comes in many types that provide structure and strength. Elastic fibers allow tissues to stretch and contract. Connective tissue disorders can arise from mutations affecting collagen and elastin.
Embryonic period 4th – 8th week & Folding (General Embryology)
The document discusses embryonic development from the 4th to 8th week. It describes how the neural tube forms from the neural plate and folds, and how it eventually develops into the brain and spinal cord. It also discusses the fate of the neural crest in forming various structures. The ectoderm gives rise to other structures like the skin, ears and eyes. As the embryo folds and bends upon itself, its shape changes from a flat disc to a cylinder. This folding results in the gut and membranes that will aid in nutrient exchange for the growing embryo.
General histology
This document provides an overview of general histology, covering topics like cytology, embryology, tissues, blood, and more. It begins with definitions of noncellular structures like symplasts and syncytium. It then discusses cells in detail, including their membranes, organelles, and inclusions. The document covers embryology, describing the stages of fertilization, cleavage, gastrulation, and histogenesis. It provides information on the four basic tissues - epithelial, connective, muscular and nervous. Specific cell and tissue types are defined such as erythrocytes, stratified squamous epithelium, and exocrine glands.
Skin and fascial medicos notes.com
This document summarizes the structure and function of skin and fascia. It describes the layers of the epidermis and dermis, the cell types found in each, and their roles. It discusses the blood supply, lymphatics, and innervation of the skin. It also briefly outlines the structure and functions of the hypodermis/superficial fascia and deep fascia.
Histology of Endocrine system.
The document discusses the endocrine system and its major glands. It provides details on the structure and function of the pituitary gland, thyroid gland, parathyroid glands, adrenal glands, pancreas, and pineal gland. Key points include that the endocrine system is made up of ductless glands that secrete hormones directly into the bloodstream, and that the major glands have distinct zones or areas that secrete different hormones like thyroid hormones or adrenal corticosteroids.
Formation of bilaminar germ disc
The document summarizes the formation of the bilaminar germ disc over 13 days:
- The inner cell mass divides into hypoblast and epiblast layers, forming a small amniotic cavity lined by amniogenic cells.
- By day 8, hypoblast cells line the exocoelomic cavity and extraembryonic mesoderm is laid down between trophoblast and amnion/exocoelomic layers.
- By day 12, the chorionic cavity surrounds the yolk sac and amniotic cavity, separating the extraembryonic somatic and splanchnic mesoderm. Pinching off forms the secondary yolk sac.
Histology of Cardiovascular system
This document discusses the structure of blood vessels. It describes the layers of the aorta wall - tunica intima, tunica media, and tunica adventitia. The tunica media is the thickest layer and contains both smooth muscle cells and elastic fibers. Cross-sections of a muscular artery and vein are also shown, noting the prominent internal elastic lamina in the artery and thinner wall of the vein. Muscular arteries contain more smooth muscle and less elastin than elastic arteries.
Histology slides snapshots (first year mbbs)
This document provides identification points for various tissues and organs that would be seen under a microscope in histology slides for first year medical students. It includes summaries of simple and stratified epithelia, cartilage, bone, muscle, nervous system structures, blood vessels, lymphatic structures, endocrine glands, respiratory system, adipose tissue and more. The purpose is to aid students in identifying and distinguishing between different tissue types commonly seen in histology.
Nervous tissue histology
This document discusses the structure and function of nervous tissue. It begins by defining the basic components of nervous tissue: neurons, nerve processes (axons and dendrites), and neuroglia. It then describes in detail the anatomy and roles of neurons, glial cells like astrocytes and oligodendrocytes, myelination of axons, and synaptic transmission of nerve impulses between neurons. In summary, it provides an overview of the key cell types in the nervous system and how they enable neural signaling and communication.
Was ist angesagt? (20)
Embryonic period 4th – 8th week & Folding (General Embryology)
Embryonic period 4th – 8th week & Folding (General Embryology)
Andere mochten auch
Mitochondria 2
Mitochondria have five distinct parts: the outer mitochondrial membrane, the intermembrane space, the inner mitochondrial membrane, the cristae space, and the matrix. The inner mitochondrial membrane is compartmentalized into cristae to enhance its ability to produce ATP through oxidative phosphorylation. The matrix contains enzymes, ribosomes, tRNA, and mitochondrial DNA that allow ATP production with the help of ATP synthase in the inner membrane.
Mitochondria
Mitochondria are organelles found in animal cells that produce ATP through respiration. They have a double membrane structure and two inner compartments. The inner membrane contains proteins for the electron transport chain and ATP synthase. Mitochondria use oxygen and food molecules to produce ATP through aerobic respiration. They are abundant in high-energy cells like muscle. Mitochondria have their own DNA and ribosomes and are only inherited from mothers.
Cell mitochondria ppt
This document discusses mitochondria, double membrane-bound organelles found in eukaryotic cells that are often described as the "powerhouses" of cells. It provides details on the structure of mitochondria including their outer membrane, inner membrane, intermembrane space, cristae, and matrix. The key functions of mitochondria are also summarized as generating ATP through oxidative phosphorylation, containing their own DNA, and performing various metabolic reactions and other roles in processes like thermogenesis and apoptosis.
Mitochondria
Mitochondria are organelles found in most cells that produce energy through aerobic respiration. They convert nutrients into ATP, which fuels cellular activities, earning mitochondria their nickname as the "powerhouse of the cell." A mitochondrion contains inner and outer membranes that create distinct regions, including the matrix where ATP production occurs through redox reactions and oxidative phosphorylation. Mitochondria play a dominant role in cellular energy conversion by producing ATP using enzymes in the inner membrane.
Bronchitis-Hausmittel Zwiebelsaft
http://www.bronchitissymptome.de/bronchitis-hausmittel-zwiebelsaft Eines der hilfreichsten Bronchitis-Hausmittel ist Zwiebelsaft.
Der Zwiebelsaft ist einfach selbst herzustellen und Zwiebeln sind ja praktisch in jedem Haushalt immer griffbereit.
Die Zwiebel enthält wertvolle Inhaltsstoffe, die antibakteriell, schleimhautreizend und schleimlösend und auswurffördernd wirken, was sie zu einem hervorragenden Hausmittel gegen Bronchitis macht.
Andere mochten auch (6)
Mitochondrien, Aufbau und Funktionen
- 1. Mitochondrien “Kraftwerk der Zelle” Mariana Villalobos José Pablo Quirós
- 2. Allgemeines • Sind in fast aller Eukaryoten. • Viele Mitochondrien, in Zellen mit hohem Energieverbrauch. • Zellen können Mitochondrien nicht mehr regenerieren.
- 4. Aufbau • äußere Membran: - umschließt das Mitochondrium
- 5. Aufbau Äussere Membran: • Kanäle aus Protein (Austausch von Molekülen und Ionen zwischen dem Mitochondrium und dem Cytosol)
- 6. Aufbau • innere Membran: - Falten die nach innen ausgestülpt sind (Cristae) - Umschließt die Matrix
- 7. Proteinkomplexe (für die Energiegewinnung ) - Vergrößerung der Membranoberfläche
- 9. Vermehrung • Durch Teilung • Produktion (vom Energiebedarf abhängig). • Verbrauchte Mitochondrien werden abgebaut
- 10. Funktionen der Mitochondrien • Ort der Zellatmung • ATP- Gewinnung durch Abbau (Enzyme) • "Kraftwerk" der Zelle
- 11. Zellatmung • Stoffwechselprozesse in Zellen von Lebewesen. • Sauerstoff-Oxidationsmittel. • Erzeugung von Energie in Form von Adenosintriphosphat (ATP).
- 13. ATP Gewinnung durch Abbau
- 14. Besonderheiten • In den Mitochondrien findet man DNA und Ribosomen. • Deshalb glaubt man, dass Mitochondrien ursprünglich freilebende Einzeller waren. (Endosymbionten-Hypothese)
- 15. Besonderheiten • Mitochondrien werden nur von der Mutter vererbt, da die väterlichen Mitochondrien im Spermium bei der Befruchtung nicht in die Eizelle gelangen.
- 16. Wie kann man das nutzen? Die mitochondriale DNA ist ideal für die Erforschung mütterlicher Verwandtschaftslinien.