Vasomotor center

Vasomotor center
Vasomotor Vas`o*mo"tor, a. [L. vas a vessel + motor that which moves fr. movere to move.] (Physiol.) Causing movement in the walls of vessels; as, the vasomotor mechanisms; the vasomotor nerves, a system of nerves distributed over the muscular coats of the blood vessels. [1913 Webster]

{Vasomotor center}, the chief dominating or general center which supplies all the unstriped muscles of the arterial system with motor nerves, situated in a part of the medulla oblongata; a center of reflex action by the working of which afferent impulses are changed into efferent, -- vasomotor impulses leading either to dilation or constriction of the blood vessels. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Vasomotor center — The vasomotor center (VMC) is a portion of the medulla oblongatacite web |url=http://www.rci.rutgers.edu/ uzwiak/AnatPhys/Blood Vessels.html |title=Blood Vessels |format= |work= |accessdate=2008 10 06] that regulates blood pressure and other… …   Wikipedia

  • Vasomotor — Vas o*mo tor, a. [L. vas a vessel + motor that which moves fr. movere to move.] (Physiol.) Causing movement in the walls of vessels; as, the vasomotor mechanisms; the vasomotor nerves, a system of nerves distributed over the muscular coats of the …   The Collaborative International Dictionary of English

  • center — centerable, adj. centerless, adj. /sen teuhr/, n. 1. Geom. the middle point, as the point within a circle or sphere equally distant from all points of the circumference or surface, or the point within a regular polygon equally distant from the… …   Universalium

  • center — [sent′ər] n. [ME & OFr centre < L centrum, center, orig., that point of the compass around which the other describes the circle < Gr kentron, sharp point, goad < kentein, to stitch < IE base * k̑ent , to prick > OHG hantag, sharp,… …   English World dictionary

  • vasomotor — [vas΄ōmōt′ər, vā′zōmōt′ər] adj. [ VASO + MOTOR] Physiol. regulating the size in diameter of blood vessels: said of a nerve, nerve center, or drug …   English World dictionary

  • Vasomotor rhinitis — Infobox Disease Name = Vasomotor rhinitis Caption = DiseasesDB = 13772 ICD10 = ICD10|J|30|0|j|30 ICD9 = ICD9|477.9 ICDO = OMIM = MedlinePlus = 001648 eMedicineSubj = ent eMedicineTopic = 402 MeshID = D012223 Vasomotor rhinitis is a form of… …   Wikipedia

  • center — 1. The middle point of a body; loosely, the interior of a body. A c. of any kind, especially an anatomical c.. 2. A group of nerve cells governing a specific function. SYN: centrum [TA]. [L. centrum; G. kentron] active c …   Medical dictionary

  • accelerating center — the part of the vasomotor center involved in acceleration of the heart; called also cardioaccelerating c …   Medical dictionary

  • cardioinhibitory center — the part of the vasomotor center that exerts an inhibitory influence on the heart by way of the vagus. Called also Kronecker c …   Medical dictionary

  • VMC — • vasomotor center …   Dictionary of medical acronyms & abbreviations

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