posterior inferior cerebellar artery

(redirected from Posterior inferior cerebellar)

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].

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
References in periodicals archive ?
The nervus glossopharyngeus (CN IX), nervus vagus (CN X), nervus accessorius (CN XI), and posterior inferior cerebellar artery were viewed at the inferior compartment of CPA (Figure 3).
D: Right vertebral artery [VA] angiography revealing severe distal VA stenosis proximal to Right Posterior Inferior Cerebellar Artery [PICA] origin.
A magnetic resonance imaging (MRI) examination revealed an infarct on the left posterior inferior cerebellar artery (PICA) supply area.
The patient underwent cerebral angiography and a lobule-irregular contouring saccular aneurysm of the size of approximately 4-5 mm was detected in the right vertebral artery at the level of the posterior inferior cerebellar artery orifice; then the patient underwent endovascular aneurysm embolization.
Vascular compression of the facial nerve is a well-recognized cause of HFS and is caused by vascular loops or aneurysms of vertebrobasilar arterial system (anterior and posterior inferior cerebellar arteries or vertebral arteries) or due to anatomic variations in vasculature such as lateral or medial deviation of one or both vertebral arteries (2).
Posterior inferior cerebellar artery infarcts may involve the spinal trigeminal nucleus.
The suboccipital middle keyhole approach can expose the cerebellar tonsil and inferior vermis, posterior inferior cerebellar artery, the fourth ventricle, pons and medullary dorsal parts.
We examined the effects of initiating fluoxetine in a patient with bipolar 2 disorder following left posterior inferior cerebellar artery ischemic stroke.
Last but not least, the ability to maintain balance or equilibrium of one's body could be altered in pathology of cerebellum including stroke that attacked the posterior inferior cerebellar artery (PICA).
So, the BA as a continuation of the left OA [44], the OA as a branch of the PPIA [25], or the posterior inferior cerebellar artery (PICA) as BA branch [21, 25] or PPHA branch [33] was described.
Lateral medullary syndrome, also known as Wallenberg's syndrome, is an ischemic disease of the medulla which involves the territory of the posterior inferior cerebellar artery [1].
The left vertebral angiography has shown left AICA hypoplasia and left posterior inferior cerebellar artery (PICA) aplasia.

Medical browser ?
Full browser ?