Anatomy of the Nervous System

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Anatomy of the Nervous System Central nervous system (CNS) Spinal cord Brain Peripheral nervous system (PNS) Nerve outside the brain and spinal cord

Central nervous system (CNS) Brain Spinal cord CNS is protected by Bone Meninges CSF 2

Vertebral column FUNCTIONS: 1. Support 2. Movement 3. Protection of CNS/PNS

Support

Movement

Bones

A typical vertebra

Vertebral canal

Intervertebral Discs

Sacrum and Coccyx Figure 7.18a

Spinal Nerves and plexus

Lumbar Plexus

Sacral Plexus

Elsie (L.3 ) is trying to rescue her clumsy man Slim (SI) from a septic tank (SciaTIC nerve), using a rope and a balloon. He has some GLUe (nerves to GLUteus muscles) on his leg. She is pregnant· is FEMale (FEMoral nerve) and has an OBstetric condition (OBturator nerve). Elsie (L.3 ) is trying to rescue her clumsy man Slim (SI) from a septic tank (SciaTIC nerve), using a rope and a balloon. What a mess! He has some GLUe (nerves to GLUteus muscles) on his leg. She is pregnant· is FEMale (FEMoral nerve) and has an OBstetric condition (OBturator nerve).

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