communicating artery

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Related to communicating artery: circle of Willis
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Noun1.communicating artery - any of three arteries in the brain that make up the circle of Willis
arteria, arterial blood vessel, artery - a blood vessel that carries blood from the heart to the body
brain, encephalon - that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord
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References in periodicals archive ?
SUMMARY: The distal medial striate artery is part of the brain circulation, born from the anterior cerebral artery generally at the level of the anterior communicating artery, although according to different studies its origin varies, being thus difficult to determine with accuracy.
The main branches of the internal carotid artery system in the brain are the ophthalmic artery, the anterior cerebral artery, the middle cerebral artery, the anterior choroidal artery, and the posterior communicating artery. The basal ganglia are supplied by the deep perforating branch of the middle cerebral artery.
In one patient with SAH and aneurysm of anterior communicating artery, the mean serum N[a.sup.+] level decreased to 134 mmol/L three days after EVD insertion and maintained at the mean level of 135 mmol/L in the late period.
Foetal type posterior communicating artery (FTPcomA) was considered when the posterior cerebral artery (PCA) originated from the ipsilateral internal carotid artery (ICA) instead of the basilar artery with diameter greater than the ipsilateral pre-communicating segment (P1) of the PCA.12 Vessel arising from ICA with equal or smaller diameter than the ipsilateral P1 of the PCA were classified as PcomAs.12 COW was then classified as complete, partially complete and incomplete configuration.
Structural imaging scans demonstrated that complete agenesis of P1 and absence of the posterior communicating artery (PCoA) maybe found unilaterally (in 4-26% subjects) or bilaterally (in 2-4% cases) [1, 2, 5, 6].
MRI angiography revealed short high-grade stenosis of the right vertebral artery (VA) in the V3 segment (Figure 2(a)), a hypoplastic left VA, and a patent posterior communicating artery on the right side.
V7 denotes the communicating segment of the ICA which rises from the posterior communicating artery and bifurcates into the anterior cerebral artery and the middle cerebral artery.
The left MCA was noted to be supplied by a patent and prominent left posterior communicating artery on CTA imaging (not shown).
The following morning a cerebral arteriogram confirmed a berry aneurysm, which was located on the posterior communicating artery. She immediately went to the operating room where the aneurysm was clipped.
The grade of ICA stenosis and all parts of the CoW, including the anterior cerebral artery (ACA), posterior cerebral artery (PCA), middle cerebral artery (MCA), anterior communicating artery (ACoA), and posterior communicating artery (PCoA), were measured.
With the formation of the posterior communicating artery (PCoA) cranially and vertebrobasilar system caudally, CVBAs regress and usually disappear by the 14 mm stage of human embryo.
Angiographic examination showed saccular aneurysm at the bifurcation of the right middle cerebral artery (MCA) of 4.3 mm in size, with the 2.1 mm wide neck, aneurysm in the anterior communicating artery (ACoA) of 4.3 mm in size with the 1.7 mm wide neck, and two aneurysmatic narrowings in the middle segment of basilar artery (BA), with the right one 3.6 mm (neck width 2 mm) and the left one 2.3 mm in size (neck width 1.8 mm), and embolized aneurysm at the BA bifurcation (Fig.

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