arterial circle of cerebrum

ce·re·bral ar·te·ri·al cir·cle

[TA] the roughly pentagonally shaped circle of vessels on the ventral aspect of the brain in the area of the optic chiasm, hypothalamus, and interpeduncular fossa; formed, sequentially and in an anterior to posterior direction, by the anterior communicating artery and by the two anterior cerebral, the two internal carotid, the two posterior communicating, and proximal segments of the two posterior cerebral arteries. Synonym(s): circulus arteriosus cerebri [TA], arterial circle of cerebrum, circle of Willis

ar·te·ri·al cir·cle of cer·e·brum

(ahr-tēr'ē-ăl sĭr'kĕl ser'ĕ-brŭm) An anastomotic "circle" of arteries (roughly pentagonal in outline) at the base of the brain, formed, sequentially and in anterior to posterior direction, by the anterior communicating artery, the two anterior cerebral, the two internal carotid, the two posterior communicating, and the two posterior cerebral arteries.

Willis,

Thomas, English physician, 1621-1675. accessorius willisii - nerve that arises by two sets of roots: cranial, emerging from the side of the medulla, and spinal, emerging from the ventrolateral part of the first five cervical segments of the spinal cord. Synonym(s): accessory nervechordae willisii - Synonym(s): Willis cordscircle of Willis - an anastomotic circle of arteries at the base of the brain. Synonym(s): arterial circle of cerebrumWillis centrum nervosum - the largest and highest group of prevertebral sympathetic ganglia, located on the superior part of the abdominal aorta. Synonym(s): celiac gangliaWillis cords - several fibrous cords crossing the superior sagittal sinus. Synonym(s): chordae willisiiWillis pancreas - a portion of the head of the pancreas formed by the superior mesenteric artery and abdominal aorta. Synonym(s): uncinate process of pancreasWillis paracusis - the apparent increase in auditory acuity of a deaf person to conversation in noisy surroundings due to a companion's unconscious voice raising. Synonym(s): false paracusisWillis pouch - obsolete term for lesser omentum.

单词	arterial circle of cerebrum
释义	DictionarySeeThomas Willis arterial circle of cerebrum ce·re·bral ar·te·ri·al cir·cle [TA] the roughly pentagonally shaped circle of vessels on the ventral aspect of the brain in the area of the optic chiasm, hypothalamus, and interpeduncular fossa; formed, sequentially and in an anterior to posterior direction, by the anterior communicating artery and by the two anterior cerebral, the two internal carotid, the two posterior communicating, and proximal segments of the two posterior cerebral arteries. Synonym(s): circulus arteriosus cerebri [TA], arterial circle of cerebrum, circle of Willis ar·te·ri·al cir·cle of cer·e·brum (ahr-tēr'ē-ăl sĭr'kĕl ser'ĕ-brŭm) An anastomotic "circle" of arteries (roughly pentagonal in outline) at the base of the brain, formed, sequentially and in anterior to posterior direction, by the anterior communicating artery, the two anterior cerebral, the two internal carotid, the two posterior communicating, and the two posterior cerebral arteries. Willis, Thomas, English physician, 1621-1675. accessorius willisii - nerve that arises by two sets of roots: cranial, emerging from the side of the medulla, and spinal, emerging from the ventrolateral part of the first five cervical segments of the spinal cord. Synonym(s): accessory nervechordae willisii - Synonym(s): Willis cordscircle of Willis - an anastomotic circle of arteries at the base of the brain. Synonym(s): arterial circle of cerebrumWillis centrum nervosum - the largest and highest group of prevertebral sympathetic ganglia, located on the superior part of the abdominal aorta. Synonym(s): celiac gangliaWillis cords - several fibrous cords crossing the superior sagittal sinus. Synonym(s): chordae willisiiWillis pancreas - a portion of the head of the pancreas formed by the superior mesenteric artery and abdominal aorta. Synonym(s): uncinate process of pancreasWillis paracusis - the apparent increase in auditory acuity of a deaf person to conversation in noisy surroundings due to a companion's unconscious voice raising. Synonym(s): false paracusisWillis pouch - obsolete term for lesser omentum.
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