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9 Cards in this Set
- Front
- Back
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Epidural Space
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Space between bony wall of vertebral canal and dura mater; position of epidural hernation.
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Subarachnoid Space
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Between arachnoid and pia matter. Contains CSF
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Anterior Spinal Artery
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Formed by the branches of the vertebral arteries. Runs longitudinally
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Posterior Spinal Artery
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Branch of either the vertebral artery or the posteroinferior cerebellar artery
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Segmental Medullary Arteries
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reinforce the three main longitudinal arteries. Provide blood to the part of the spinal cord not supplied by the spinal arteries. They enter the vertebral canal through the intervertebral foramina
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Radicular Arteries
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Supply the ventral and dorsal roots with blood. Segmental medullary arteries replace these at some places.
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Great anterior segmental medullary artery
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Reiforces circulation to two thirds of the spinal cord
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Anterior and Posterior spinal veins
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3 of each
longitudinally arranged |
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Internal vertebral plexus
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found in the epidural space and receives blood from the spinal veins. Provide an alternative route for venous return
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