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Neurovascular anatomy

Terms in this set (9)

V1 segment of the vertebral artery
From the point of origin (usually the subclavian artery) to the first cervical transverse foramen
V2 segment of the vertebral artery
Portion of the artery going through the cervical transverse foramina
V3 segment of the vertebral artery
Artery segment exiting the last transverse foramen and entering the foramen magnum; this portion is vulnerable to trauma
V4 segment of the vertebral artery
Intracranial portion of the artery
What is the entry point of the internal carotid artery through the skull?
Foramen lacerum
What areas are supplied by the middle branches of the vertebral artery?
Medullary pyramid, inferior olivary nucleus,
medial lemniscus, and hypoglossal nerve fibers
What arteries supply the spinothalamic tracts and sympathetic fibers traversing the medulla?
Circumferential
branches from the vertebral arteries and posterior cerebral arteries
Branches of the basilar artery
Paramedian vessels, anterior inferior cerebellar artery and superior cerebellar
artery
Branches of the basilar artery
Paramedian vessels, anterior inferior cerebellar artery and superior cerebellar
artery
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