释义 |
cap·il·lary I. \ˈkapəˌlerē, -ri, Brit usually kəˈpiləri\ adjective Etymology: French or Latin; French capillaire, from Latin capillaris, from capillus hair + -aris -ary 1. : belonging or relating to hair < capillary growth > 2. : resembling a hair : fine, minute, slender; especially : having a very small or thin bore usually permitting capillarity < a capillary tube > 3. : involving or held by capillary action < capillary water > : resulting from surface tension in the soil < capillary capacity is a measure of the ability of a soil to hold water in the surface layers against the action of gravity > 4. a. : showing or suggesting an arrangement of capillaries < a capillary network > b. : relating to capillarity or to an apparatus employing it < capillary action > II. noun (-es) : a minute thin-walled vessel of the body; especially : any of the smallest constituent vessels of the blood-vascular system connecting arterioles with venules so as to form networks practically throughout the body, averaging 1/2 millimeter in length and at their widest being not many times the diameter of a blood corpuscle, and being walled by a single layer of endothelial cells that permits ready exchange of nutrients and metabolic wastes between the tissues and the circulating blood — see rouget cell |