posterior communicating artery

(redirected from Posterior communicating)
Also found in: Acronyms.

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 ?
The configuration of the posterior bifurcation of the posterior communicating artery.
Starke et al., "Failure of the pipeline embolization device in posterior communicating artery aneurysms associated with a fetal posterior cerebral artery," Case Reports in Vascular Medicine, vol.
Acute subdural hematoma from ruptured posterior communicating artery aneurysm.
Moikunate, "Vertebral Artery Hypoplasia: importance for stroke development, the role of posterior communicating artery, possibility for surgical and conservative treatment," Acta Medica Lituanica, vol.
The deep dissection strategy happens with the identification of the posterior communicating artery, following this artery to the P1-P2 junction.
Posterior communicating artery was cleaned and detailes were recorded.
[7-13] On the other hand, on the basis of clinical tests carried out in patients with occlusion of the internal carotid artery and occlusion of the basilar artery, it was concluded that the increased risk of stroke exist in patients whose posterior communicating artery diameter was < 0.5 mm and these arteries should be considered as hypoplastic blood vessels.
Twenty-five percent of these are located at the origin of the posterior communicating artery on the internal carotid artery [3].
Available data from the trial also suggest that even very small (less than 7 ram) aneurysms have a potential for hemorrhage that is "noteworthy and certainly far from zero" if they are located in the posterior communicating artery or posterior circulation.
Aneurysm location in decreasing order of frequency was as follows: anterior communicating (ACOM) (36.8%) followed by posterior communicating (PCOM) (17.6%) and basilar artery (14.7%).
The primary routes of collateral circulation are the Willisian channels (anterior communicating artery, posterior communicating artery, and the ophthalmic via the external carotid artery).

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