willis arteries

  • 1Willis, circle of — The circle of Willis is an arterial circle of critical importance at the base of the brain. It is called an arterial anastomosis, a joining of arteries. The circle of Willis receives all of the blood pumped up the two internal carotid arteries… …

    Medical dictionary

  • 2Willis, Thomas — ▪ British physician born Jan. 27, 1621, Great Bedwyn, Wiltshire, Eng. died Nov. 11, 1675, London  British physicians, leader of the English iatrochemists, who attempted to explain the workings of the body from current knowledge of chemical… …

    Universalium

  • 3Circle of Willis — Artery: Circle of Willis Schematic representation of the Circle of Willis, arteries of the brain and brain stem …

    Wikipedia

  • 4Circle of Willis — The circle of Willis is an arterial circle of critical importance at the base of the brain. It is called an arterial anastomosis, a joining of arteries. The circle of Willis receives all of the blood pumped up the two internal carotid arteries… …

    Medical dictionary

  • 5Cerebral arteries — describe three main pairs of arteries and their branches, which irrigate the cerebrum of the brain. The three main arteries consist of the: Anterior cerebral artery (ACA) Middle cerebral artery (MCA) Posterior cerebral artery (PCA) Both the ACA… …

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  • 6Ciliary arteries — Artery: Ciliary arteries The arteries of the choroid and iris. The greater part of the sclera has been removed. Latin aa. ciliares Gray s …

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  • 7circle of Willis — noun a ring of arteries at the base of the brain • Hypernyms: ↑artery, ↑arteria, ↑arterial blood vessel • Part Holonyms: ↑brain, ↑encephalon * * * ˈwilə̇s Usage: usually capitalized W …

    Useful english dictionary

  • 8Medial palpebral arteries — Artery: Medial palpebral arteries The ophthalmic artery and its branches. (Medial palpebral labeled at center top.) Latin arteriae palpebrales mediales Gray s …

    Wikipedia

  • 9Deep temporal arteries — Artery: Deep temporal arteries Plan of branches of internal maxillary artery. (Post. deep temporal and ant. deep temporal labeled at center top.) Latin arteria temporalis profunda anterior, arteria temporalis profunda posterior …

    Wikipedia

  • 10cerebral arteries — the arteries supplying the cerebral hemispheres, derived from the internal carotid artery (anterior choroid, anterior cerebral, middle cerebral, and posterior communicating arteries and the circle of Willis) or from the basilar artery (posterior… …

    Medical dictionary