collicular artery

collicular artery
arteria collicularis.

Medical dictionary. 2011.

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  • 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

  • Collicular arteries — The collicular arteries arise from the P1 segment of the Posterior cerebral artery. These small arteries supply portions of the midbrain, especially the superior colliculus, inferior colliculus, and tectum. This anatomy article is a stub. You can …   Wikipedia

  • 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

  • pars precommunicalis arteriae cerebri posterioris — [TA] precommunicating part of posterior cerebral artery: collectively, the branches of the posterior cerebral artery anterior to its point of junction with the posterior communicating artery, comprising the posteromedial central arteries, short… …   Medical dictionary

  • arteria collicularis — [TA] collicular artery: origin, precommunicating part of posterior cerebral artery; branches, none; distribution, corpora quadrigemina (superior and inferior colliculi) of the tectum of the mesencephalon. Called also a. quadrigeminalis [TA… …   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

  • eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

  • nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium