posterior inferior cerebellar artery


pos·te·ri·or in·fe·ri·or cer·e·bel·lar ar·ter·y

[TA] origin, intracranial part of vertebral artery; distribution, lateral medulla, choroid plexus of fourth ventricle, and cerebellum; anastomoses, superior cerebellar and anterior inferior cerebellar artery; gives rise to posterior spinal artery [TA], cerebellar tonsillar branch [TA], and choroidal branch to fourth ventricle [TA]. Synonym(s): arteria inferior posterior cerebelli [TA]

pos·te·ri·or in·fe·ri·or cer·e·bel·lar ar·te·ry

(pos-tēr'ē-ŏr in-fēr'ē-ŏr ser'ĕ-bĕl'lar ahr'tĕr-ē) [TA] Origin, intracranial part of vertebral artery;distribution, lateral medulla, choroid plexus of fourth ventricle, and cerebellum; anastomoses, superior cerebellar and anterior inferior cerebellar artery; gives rise to posterior spinal artery [TA], cerebellar tonsillar branch [TA], and choroidal branch to fourth ventricle [TA].
Synonym(s): arteria inferior posterior cerebelli.

posterior inferior cerebellar artery

A branch of the vertebral arteries; it runs dorsally along the edge of the hindbrain and supplies the choroid plexus of the fourth ventricle, the lateral hindbrain, the inferior cerebellar peduncle, and posterior regions of the cerebellum. See: brain (Major arteries of the brain) for illus.See also: artery