| circumvascular | Synonym: perivascular. Origin: circum-+ L. Vasculum, vessel (05 Mar 2000) |
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| circumventricular | Around or in the area of a ventricle, as are the circumventricular organs. (05 Mar 2000) |
| circumventricular organs | Four small areas in or near the base of the brain that have fenestrated capillaries and are outside the blood-brain barrier. They are neurohypophysis, area postrema, organum vasculosum of the lamina terminalis and subfornical organ (SFO). The neurohypophysis is a neurohemal organ. The other three are chemoreceptors: area postrema triggers vomiting in response to chemical changes in plasma, organum vasculosum of the lamina terminalis senses osmolality and alters vasopressin secretion and SFO initiates drinking in response to angiotensin II. (05 Mar 2000) |
| circumvolute | Twisted around; rolled about. Origin: L. Circum-volvo, pp. -volutus, to roll around (05 Mar 2000) |
| circumzygomatic fixation | Stabilization of a fracture segment or surgical splint by wire passed around the zygomatic arch. (05 Mar 2000) |
| circus movement | A contraction or excitation wave traveling continuously in circular fashion around a ring of muscle or through the wall of the heart. Synonym: circus rhythm. (05 Mar 2000) |
| circus rhythm | A contraction or excitation wave traveling continuously in circular fashion around a ring of muscle or through the wall of the heart. Synonym: circus rhythm. (05 Mar 2000) |
| circumcision |
(cir
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| circumcorneal |
(cir
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| circumference |
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| circumferential |
(cir
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| circumflex |
(cir
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| circ | of or relating to circulation |
|---|---|
| circ | relating to circulatory system or to circulation of the blood |
| circ | of or relating to circulation |
| circ | failure of the cardiovascular system to supply adequate amounts of blood to body tissues |
| circ | the organs and tissues involved in circulating blood and lymph through the body |
| circ | walk around something |
| circ | comprising or throughout far northern regions |
| circ | cut the foreskin off male babies or teenage boys |
| circ | cut the skin over the clitoris |
| circ | the act of circumcising |
| circ | the act of circumcising performed on males eight days after birth as a Jewish and Muslim religious rite |
| circ | (Roman Catholic Church and Anglican Church) a feast day celebrating the circumcision of Jesus |