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1. Integumentary System protection from the environment

2. Skin Is the largest organ of the human body which performs many essential functions. Perspiration is give off through the skin; the skin helps regulate body temperature.

4. Is the top layer of the skin. Is responsible for the color of the skin

5. The cells of the epidermis grow from the bottom and upward.

6. In the lowest row, cells are shaped like columns

7. Above these rows are round cells

8. Cells grow flatter & becomes drier towards the surface.

9. Flakes are the dead skin a person often rubs off with a towel after taking a bath.

11. Is composed of closely woven network of connective tissue.

12. It contains blood vessels, glands, nerves & hair follicles.

16. these are the glands that give off small amount of liquid waste of matter.

17. Oil Glands / Sebaceous Glands

18. these glands give off oily substances that make the hairs smooth and glossy. They also keep the skin from becoming too dry.

19. Blood

21. Hair follicle: sac-like anatomical structure from which hair grows.Sebaceous gland: gland that secretes sebum, which lubricates the skin and hair.Arrectorpili muscle: muscle that elevates the hair.Root of hair: part of the hair implanted in the dermis.Papilla: part of the hair connected to the conjunctival tissue.Inner root sheath: sheath formed of several layers of cells.Connective tissue sheath: girdle enclosing the epithelial sheath and connecting to the conjunctival tissue.Epidermis: outer layer of the skin.Hair shaft: a filament that grows from the skin.

22. Kinds of Hair Fur-soft, dense hair (found on cats, rabbits, dogs & leopards) Fleece-thick, wooly hair (found on sheep) Bristle-short, stiff hair (hound on hogs) Quills-sharp, spiny hair (found on porcupines) Importance of Hair: They provide protection, warmth and sensation (common on animals with tactile hairs or whiskers. This type of hair helps feel the way around through narrow or dark places).

24. PARTS OF THE NAIL

26. is in fact the ROOT of the nail. This area is not visible; it is hidden and protected by the Proximinal Nail Fold or eponychium.

27. is the tissue upon which the nail rests,[the part of the nail bed that extends beneath the nail root and contains nerves, lymph and blood vessels.

28. is responsible for the production of the cells that become the nail plate.

29. will continue to grow as long as it receives nutrition and remains in a healthy condition.

30. The Lunula (occasionally called simply "the moon")

31. is the visible part of the matrix, the whitish crescent-shaped base of the visible nail.

33. is the actual nail, and like hair and skin, made of translucent keratin protein made of amino acids.

34. The plate appears pink because of the underlying capillaries.

35. The eponychium

36. is the small band of epithelium that extends from the posterior nail wall onto the base of the nail.

37. Often and erroneously called the "proximal fold" or "cuticle“

38. the eponychium is the end of the proximal fold that folds back upon itself to shed an epidermal layer of skin onto the newly formed nail plate.

39. the nail groove or fold

41. Talons - Are claw found especially on a bird of prey. Antler - Is a branch of horns of a male deer or stag.

42. Diseases and Disorders of the Skin Rash Such as typical measles or chicken pox, can indicate an infection that affects the whole body. Yellow tinge of the skin signals that the liver is not working properly. A rash is a change of the skin which affects its color, appearance or texture. Rashes may cause the skin to change color, itch, become warm, bumpy, dry, cracked or blistered, swell and may be painful.

43. Diseases and Disorders of the Skin Acne Occurs when a hair follicle becomes blocked, usually by keratin-containing dead cells, preventing sebum from reaching the surface of the skin. The result of this inflammation is a pimple. Acne tends to occur during the teenage years because hormones that increase at puberty both keratin formation and sebum production.

45. Is commonly found in boils, carbuncles, and pimples.

46. Impetigo

47. a skin disease that usually affects children.

48. is characterized by small blisters containing pus that easily rupture and firm s thick, yellowish crust.

49. Streptococcus Pyogenes

50. causes erysipelas, which are red patches in the skin.

51. Burns

53. Are congenital disorders of the capillaries in the dermis of the skin.

54. The exact cause of most birthmarks is unknown, but vascular birthmarks are not hereditary and many people have them.

55. are more of a problem when they affect the face or when they affect function of any body part.

57. Strawberry birthmark

58. is a mass of soft elevated tissue that appears bright red to deep purple in color.

59. Port-wine stains

60. appear flat, bluish or dull red patches that persist throughout life.

61. Café au lait spot

62. these birthmarks may occur anywhere on the body, they are most commonly oval in shape and light brown, or milk coffee, in color. These birthmarks may be present at birth, or appear in early childhood, and do not fade with age.Diseases and Disorders of the Skin

64. is a type of melanocytic nevus (or mole) found in infants at birth. Occurring in about 1% of infants in the United States, it is located in the area of the head and neck 15% of the time, but may occur anywhere on the body.

65. Mongolian blue spot

66. is a benign flat congenital birthmark with wavy borders and irregular shape, most common among East Asians and Turks (excluding Turkish people), and named after Mongolians.

67. Stork bite, or Telangiectatic nevus

70. Are often triggered by ingestion or inhalation of a substance, such as a medication or food, to which a person is allergic.

72. several species of fungus cause ringworm in human are described by their location on the body; in the scalp the condition is ringworm, in the feet it is athlete’s foot, and in the groin, it is JOCK ITCH.Diseases and Disorders of the Skin Ringworm on a human arm.

73. Diseases and Disorders of the Skin Mole An elevation of the skin that is variable in size and is often pigmented and hairy. It is an aggregation of melanocytes in the epidermis. Most people have 10 – 20 moles which appear in childhood and enlarge until which appear in childhood and enlarge until puberty.

74. Skin Cancer Any type of cell present in the skin can become cancerous. Skin cancer develops most commonly on sun-exposed areas, such as the face, hands, arms, and legs. The three most common types of skin cancers are: Squamous Cell Carcinoma is a carcinomatous cancer occurring in multiple organs. These include the skin, lips, mouth, esophagus, urinary bladder, prostate, lungs, vagina, and cervix. Basal Cell Carcinoma is the most common type of skin cancer. It rarely metastasizes or kills. However, because it can cause significant destruction and disfigurement, it is still considered malignant by invading surrounding tissues. Malignant Melanoma is a malignant tumor of melanocytes. Melanocytes are cells that produce the dark pigment, melanin, which is responsible for the color of skin. Diseases and Disorders of the Skin

75. Diseases and Disorders of the Skin Melanoma. A basal cell carcinoma. Note the pearly appearance and telangiectasia. Squamous Cell Carcinoma of the skin tends to arise from pre-malignant lesions, actinic keratoses; surface is usually scaly and often ulcerates

77. German measles

78. Chickenpox

79. Measles

80. WartsWhich are caused by a viral infection of the epidermis. And some of the viral infection of the skin.

81. WARTS MEASLES

82. CHICKEN POX GERMAN MEASLES

83. COLD SORES