CNS, spinal cord, parts of brain, cerebrum, lobes of cerebrum, mid brain, hind brain, areas of brain, functions of lobes,spinal nerves, brainstem, brain and spinal cord, function of CNS, meninges of brain and spinal cord

1. Presented by Shalu Thariwal

2. Brain
Most complex
organ of the
human body
CNS
Spinal cord
(Continuation
of brain as a
cord) with
spinal nerves
CNS
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3.  Responsible for integrating, coordinating the
sensory information and ordering appropriate
motor actions,
 Learning
 Memory
 Intelligence
 Emotions
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4.  Occupies cranial cavity.
Forebrain
HindbrainMidbrain
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6.  It is the anterior part of the brain.
• The largest part of the brain.
• Made of 2 cerebral hemispheres
connected via corpus callosum
Cerebrum
• Located above brain stem
• carries sensory information from
cerebrum and limbic system.
• Lies under thalamus, pituitary gland
Thalamus and
Hypothalamus
• Regulates memory and emotions.
• Thirst, aggression, attention and sensory
gateway.
Limbic system
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7.  Divided into right and left cerebral hemispheres.
 Cerebral cortex
 4 lobes of hemispheres
a) Frontal lobe
b) Temporal lobe
c) Parietal lobe
d) Occipital lobe
Sulci and gyri in the cerebrum
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10.  Located below cerebral cortex, above the
hindbrain.
 Controls reflex movements of body.
 Controls hearing reflexes.
 It is also a part of brainstem.
Midbrain
3 parts of
Brainstem
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11.  Located at the backside of the brain.
• 2nd largest portion of the brain.
• Balance, equilibrium and muscle coordination.
• Located above medulla.
• Sleep and breathing rate control.
• Control automatic responses.
• Controls breathing, heart rate, circulation and
swallowing.
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12.  It is the long cylindrical lower parts of CNS.
 Give rise to 31 pairs of spinal nerves.
 45 cm long in adult.
 8 pairs in cervical region.
 12pairs in thoracic region.
 5 pairs in lumbar region.
 5 pairs in sacral region .
 1 pair in coccygeal.
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14. (In subarachnoid
space)
CSF
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