PSYB64H3 Lecture Notes - Posterior Cerebral Artery, Anterior Cerebral Artery, Middle Cerebral Artery
21 Sep 2012
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Document Summary
Anatomical directions and planes of section toward the belly side of animal ventromedial ventral medial toward the midline. Meninges layers of membranes that cover the central nervous system and peripheral nerves. Csf never had direct contact with blood supply, has a separate circulation system composition is important to diagnosing diseases (spinal tap) Central nervous system the brain and spinal cord. Differences between cns and pns tissues of cns is encased in bone while pns is not damage to cns is considered permanent, but recovery may occur in pns. Cns covered with 3 layers of membranes, pns with 2. Spinal nerve exit between bones of vertebral column bones cushioned from one another with disks, if the disks degenerate, pressure is exerted on adjacent spinal nerves creating a painful pinched nerve. Anatomy of the spinal cord (total 31 segments) cervical nerves thoracic nerves. 8 serve the head, neck and arms cervical collar (neck brace after whiplash)
