- cortical part of middle cerebral artery
- the fourth segment of the middle cerebral artery (M4 segment), comprising the inferior and superior terminal branches of the vessel (rami terminales inferiores and rami terminales superiores), which supply the lateral surface of the cerebral hemisphere. See also segments of middle cerebral artery, under segment.
Medical dictionary. 2011.
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Middle cerebral artery — Artery: Middle cerebral artery Outer surface of cerebral hemisphere, showing areas supplied by cerebral arteries. (Pink is region supplied by middle cerebral artery.) … Wikipedia
segments of middle cerebral artery — the four segments into which the middle cerebral artery is divided, M1â€“M4 in clinical terminology. The M1 segment is the sphenoid part (pars sphenoidalis), the horizontal portion of the vessel from the termination of the internal carotid artery … Medical dictionary
Posterior cerebral artery — Artery: Posterior cerebral artery Outer surface of cerebral hemisphere, showing areas supplied by cerebral arteries. (Yellow is region supplied by posterior cerebral artery.) … Wikipedia
part — A portion. SYN: pars [TA]. abdominal p. of aorta SYN: abdominal aorta. abdominal p. of esophagus [TA] the portion of the esophagus from where it passes through the diaphragm to the stomach. See … Medical dictionary
Artery — A vessel that carries blood that is high in oxygen content away from the heart to the farthest reaches of the body. Since blood in arteries is usually full of oxygen, the hemoglobin in the red blood cells is oxygenated. The resultant form of… … Medical dictionary
Orbitofrontal artery — is one of the twelve branches of the middle cerebral artery, that supplies blood to the cerebrum. The orbitofrontal artery is usually the first cortical branch of the A2 segment, arising from the subcallosal segment to supply the inferior and… … Wikipedia
pars — SYN: part. [L. p. (part ) a part] p. abdominalis aortae [TA] SYN: abdominal aorta. p. abdominalis ductus thoracici [TA] SYN: abdominal part of thoracic duct. p. abdominalis esophagi [TA] SYN: abdominal part of esophagus. p. abdomina … Medical dictionary
branch — An offshoot; in anatomy, one of the primary divisions of a nerve or blood vessel. A b.. See ramus, artery, nerve, vein. SYN: ramus (1) [TA]. accessory meningeal b. SYN: pterygomeningeal artery … Medical dictionary
arteria — SYN: artery. SEE ALSO: branch. [L. from G. a., the windpipe, later an artery as distinct from a vein] a. acetabuli SYN: acetabular branch. arteriae alveolares superiores anteriores [TA] SYN: anterior superior alveolar arteries, under artery. a.… … Medical dictionary
Circle of Willis — Artery: Circle of Willis Schematic representation of the Circle of Willis, arteries of the brain and brain stem … Wikipedia