7 cervical, 12 thoracic, 5 lumbar, 5 sacral and 4 coccygeal. 33 altogether. The 5 sacral vertebrae are fused to form the sacrum and the 4 coccygeal vertebrae are fused to form the coccyx
The tapered, lower end of the spinal cord. It occurs near L1 and L2, occasionally lower
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Cauda equina
A bundle of spinal nerves and spinal nerve rootlets, consisting of L2-L5 nerve pairs, S1-S5 nerve pairs, and the coccygeal nerve
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Meninges
Three membranes that envelop the brain and spinal cord - dura mater, arachnoid mater and pia mater
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Cerebrospinal fluid
Fluid that is located in the subarachnoid space. It circulates nutrients and chemicals filtered from the blood and removes waste products from the brain. Also functions as a shock absorber from the CNS
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Nerve plexus
Composed of afferent and efferent fibres that arise from the merging of the anterior rami of spinal nerves and blood vessels
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Other cards in this set
Card 2
Front
7 cervical, 12 thoracic, 5 lumbar, 5 sacral and 4 coccygeal. 33 altogether. The 5 sacral vertebrae are fused to form the sacrum and the 4 coccygeal vertebrae are fused to form the coccyx
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