posterior communicating artery

(redirected from Posterior communicating arteries)

pos·te·ri·or com·mu·ni·cat·ing ar·ter·y

origin, internal carotid; distribution, optic tract, crus cerebri, interpeduncular region, and hippocampal gyrus; anastomoses, with posterior cerebral to form a portion of the cerebral arterial circle (circle of Willis).
Farlex Partner Medical Dictionary © Farlex 2012

pos·te·ri·or com·mu·ni·cat·ing ar·te·ry

(pos-tēr'ē-ŏr kŏ-myū'ni-kā'ting ahr'tĕr-ē) [TA]
Origin, internal carotid; distribution, optic tract, crus cerebri, interpeduncular region, and hippocampal gyrus; anastomoses with posterior cerebral to form the cerebral arterial circle (circle of Willis).
Synonym(s): arteria communicans posterior.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

posterior communicating artery

An artery interconnecting the posterior cerebral and middle cerebral arteries at the base of the brain.
See: brain (Major arteries of the brain) and circle of Willis for illus.
See also: artery
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Besides wide and narrow angles, two other features were observed namely 5 cases where the basilar artery appeared to continue into one of the posterior communicating arteries (Fig.
Left vertebral artery angiogram showed that the posterior circulation system provided the compensatory blood supply to the anterior circulation through bilateral posterior communicating arteries and distal cortical branches [Figure 1]e.
The left and right MCAs arise from bifurcations of the internal carotid arteries and thus are connected to the anterior cerebral arteries and the posterior communicating arteries, which connect to the posterior cerebral arteries.
The posterior communicating arteries are present and supply the posterior cerebral arteries.
Digital subtraction cerebral angiography, performed an hour later, revealed a saccular aneurysm on the left anterior choroidal artery (AChA) and infundibular morphology of both posterior communicating arteries (PCoAs) [Figure 2].{Figure 1}{Figure 2}
It is also associated deformities of other arterial components of posterior circulation including basilar and posterior communicating arteries [11,12].
Non-functioning posterior communicating arteries of circle of Willis in idiopathic sudden hearing loss.
Anatomical patterns of hypoplastic posterior communicating arteries and their implications for cerebrovascular disease.
(1-6) Ruptured aneurysm of anterior and posterior communicating arteries in patients with agenesis of the ICA has been reported.
The anterior and posterior circulations are connected by the posterior communicating arteries. The right and left anterior cerebral arteries are joined by the anterior communicating artery.
Catheter angiography [Figure 1]c-e revealed symmetrical hypoplasia along the entire course of bilateral ICAs and development of collateral circulation by the bilateral posterior communicating arteries (PCOMAs).

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