P3 segment of posterior cerebral artery

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• segments of posterior cerebral artery — the four segments into which the posterior cerebral artery is divided; P1–P4. The P1 segment is the precommunicating part (pars precommunicalis), which begins at the bifurcation of the basilar artery and runs to the junction with the posterior… …   Medical dictionary

• 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

• 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

• segment — 1. A section; a part of an organ or other structure delimited naturally, artificially, or by invagination from the remainder. SYN: segmentum [TA]. SEE ALSO: metamere. 2. A territory of an organ having independent function, supply, or drainage. 3 …   Medical dictionary

• arteria cerebri posterior — [TA] posterior cerebral artery: divided into four segments: the precommunicating part (pars precommunicalis), the postcommunicating part (pars postcommunicalis), the lateral occipital artery, and the medial occipital artery; origin, terminal… …   Medical dictionary

• Arteria cerebri posterior — Circulus arteriosus des Menschen. Nr. 4 = A. cerebri posterior Die Arteria cerebri posterior (lat. für ‚hintere Gehirnschlagader‘, abgekürzt auch PCA vom englischen posterior cerebral artery), bei Tieren als Arteria cerebri caudalis bezeichnet,… …   Deutsch Wikipedia

• P1 segment — P2 segment, P3 segment, P4 segment see s s of posterior cerebral artery …   Medical dictionary

• Internal carotid artery — Infobox Artery Name = Internal carotid artery Latin = arteria carotis interna GraySubject = 146 GrayPage = 566 Width = 250 Caption = Arteries of the neck. The internal carotid arteries arise from the common carotid arteries labeled Common caroti… …   Wikipedia

• Orbitofrontal artery — is one of the twelve branches of the middle cerebral artery, that supplies blood to the cerebrum.[1] The orbitofrontal artery is usually the first cortical branch of the A2 segment, arising from the subcallosal segment to supply the inferior and… …   Wikipedia

• Cervical part of internal carotid artery — Artery: Cervical portion Latin pars cervicalis arteriae carotidis internae Gray s subject #146 567 The Cervical portion (or cervical segment) of the internal carotid begins at the bifurcation of the common carotid, opposite the upper border of… …   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