an x-ray produced by arteriography.
x-ray examination of an artery or arteries following injection of a radiopaque substance. noun the X-ray examination of an artery or arterial system after injection of a contrast medium into the bloodstream arteriography ar·te·ri·og·ra·phy (är-tēr’ē-ŏg’rə-fē) n. Examination of the arteries using x-rays following injection of a radiopaque substance. ar·te’ri·o·gram’ (-ə-grām’) n. ar·te’ri·o·graph’ic (-ə-grāf’ĭk) adj.
arteriola arteriola ar·te·ri·o·la (är-tēr’ē-ō’lə) n. pl. ar·te·ri·o·lae (-lē’) Arteriole.
- Arteriolae rectae
arteriolae rectae arteriolae rectae arteriolae rec·tae (rěk’tē’) pl.n. Branches of the arcuate arteries of the kidney, arising at the bases of the pyramids, running through the renal medulla toward the apex of each pyramid, then reversing direction back toward the base of each pyramid. Also called vasa recta.
Anatomy. any of the smallest branches of an artery, terminating in capillaries. noun (anatomy) any of the small subdivisions of an artery that form thin-walled vessels ending in capillaries n. “small artery,” by 1808, from Modern Latin arteriola, diminutive of arteria (see artery). arteriole ar·te·ri·ole (är-tǐr’ē-ōl’) n. A minute artery, especially a terminal artery continuous […]