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Spinal Column

For BIO 201 Lab

TermDefinition
Vertebral Artery Blood vessels that supply blood up the neck to the brain and spinal cord
Vertebral Vein Blood vessels that return deoxygenated blood from the brain and spine back to the heart
Epidural Space Space located superficially to dura mater that contains fatty tissue and spinal nerve roots
Dura Mater The most superficial of the meninges; a thick sheet of connective tissue that envelops the brain and protects it
Arachnoid Mater The middlemost of the meninges; a clear sheet of connective tissue with spider-like appendages that holds the CSF
Subarachnoid Space Space between the arachnoid and pia maters that houses the CSF
Pia Mater The innermost of the meninges; thin sheet that produces the CSF
Spinal Nerve A mixed nerve that carries multiple types of signals between the spinal cord and the rest of the body
Dorsal Root of Spinal Nerve Root of the spinal nerve that transmits sensory information from the body
Ventral Root of Spinal Nerve Root of the spinal nerve that transmits motor information to the body
Central Canal Space in the spinal cord that carries CSF; represents the remainder of the neural tube
Ventral Horn Front most protrusion of grey matter that contains cell bodies of motor neurons
Dorsal Horn Protrusion on backside of grey matter that contains cell bodies of motor neurons
Lateral Horn Protrusions of grey matter on the sides that contains cell bodies of motor neurons
Gray Commissure Thin strip of grey matter that connects the two halves of the spinal cord
Anterior Column Front most portion of white matter that contains ascending and descending tracts
Posterior Column Portion of white matter in the back that contains ascending tracts
Lateral Column Portion of white matter on the sides that contains ascending and descending tracts
Anterior Median Fissure Groove in the front of the spinal cord
Created by: Rylyn27463
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