middle cerebral artery


Also found in: Dictionary, Thesaurus, Legal, Acronyms, Encyclopedia, Wikipedia.
Related to middle cerebral artery: anterior cerebral artery, posterior cerebral artery

mid·dle ce·re·bral ar·ter·y

[TA]
one of the two large terminal branches (with anterior cerebral artery) of the internal carotid artery; it passes laterally around the pole of the temporal lobe, then posteriorly in the depth of the lateral cerebral fissure; for descriptive purposes it is divided into three parts: 1) the sphenoidal part (M1 segment of clinical terminology), supplying perforating branches to the internal capsule, thalamus, and striate body; 2) the insular part, supplying branches to the insula and adjacent cortical areas; and 3) the terminal part or cortical part, supplying a large part of the central cortical convexity (the latter two collectively forming M2 segment).
Synonym(s): arteria cerebri media [TA]

mid·dle ce·re·bral ar·te·ry

(mid'el ser'ĕ-brăl ahr'tĕr-ē) [TA]
One of the two large terminal branches (with the anterior cerebral artery) of the internal carotid artery; it passes laterally around the pole of the temporal lobe, then posteriorly in the depth of the lateral cerebral fissure.
Synonym(s): arteria cerebri media.

middle cerebral artery

Abbreviation: MCA
The continuation of the internal carotid artery beyond the circle of Willis. It runs along the lateral (Sylvian) fissure between the frontal and temporal lobes. Branches of the middle cerebral artery supply blood to the frontal, orbital, parietal, and temporal lobes of the brain. Strokes involving the middle cerebral artery often result in sensory deficits and muscle weakness on the contralateral side of the body; when a middle cerebral artery stroke is in the dominant side of the brain, the patient can also have aphasia.
See: brain (Major arteries of the brain) and circle of Willis for illus.
See also: artery
References in periodicals archive ?
Middle cerebral artery was also found to be the most commonly involved artery similarly in another study12.
An increasingly popular approach is to attempt to aspirate the clot directly into the intermediate catheter, which has become feasible since the advent of large-lumen soft catheters that can be safely navigated into the M1 segment of the middle cerebral artery and beyond.
Parietal lobe was found to be the most commonly involved lobe due to infarction of the middle cerebral artery.
High-resolution MR imaging in patients with symptomatic middle cerebral artery stenosis.
In MRA, we found near complete obliteration of the left middle cerebral artery by thrombi/emboli that strongly suggested AIS (figure 3).
Cummins, "Reversible middle cerebral artery occlusion without craniectomy in rats," Stroke, vol.
Superficial temporal artery (STA) to middle cerebral artery (MCA) anastomosis is a surgical procedure of direct revascularization to improve cerebral blood flow and potentially prevent brain infarction for patients with stenoocclusive cerebrovascular diseases [1].
PWI showed that the MTT, but none of the other perfusion parameters, was inhomogeneously prolonged in the left middle cerebral artery (MCA) territory and in both posterior cerebral artery (PCA) territories (see Figure 3(a)).
Under these certain criteria, included patients were grouped as: anterior cerebral artery (ACA) affected, middle cerebral artery (MCA) affected, and posterior circulation (P.
Susceptibility-diffusion mismatch in middle cerebral artery territory acute ischemic stroke: Clinical and imaging implications.