Nervous system
by Nourhan Abdellatef
1. Central nervous system
1.1. Brain
1.1.1. 2Cerebral hemispheres
1.1.2. Cerebellum
1.1.3. Brain stem
1.1.3.1. Mid brain
1.1.3.2. Pons
1.1.3.3. Medulla
1.2. Spinal cord (31segments)
1.2.1. 8cervical
1.2.2. 12Thoracic
1.2.3. 5lumbar
1.2.4. 5sacral
1.2.5. 1coccygeal
2. Peripheral nervous system
2.1. Cranial nerves
2.1.1. 12Pairs originating from the brain
2.1.2. Sensory, motor, mixed
2.2. Spinal nerves
2.2.1. 31Pairs originating from spinal cord
2.2.2. Mixed