a learned borrowing from Greek meaning “vessel,” “container,” used in the formation of compound words:
indicating a blood or lymph vessel; seed vessel: angiology, angiosperm, angioma
before verbs angi-, word-forming element now usually meaning “covered or enclosed by a seed or blood vessel,” from Latinized form of Greek angeion “a vessel, receptacle,” diminutive of angos “chest, box,” of unknown origin.
angio- or angi-
Blood and lymph vessel: angiography.
one of several mesenchymal cells capable of developing into the endothelium of the blood vessels. angioblast an·gi·o·blast (ān’jē-ə-blāst’) n. A cell taking part in blood vessel formation. The primordial mesenchymal tissue from which embryonic blood cells and vascular endothelium are differentiated. Also called vasoformative cell.
angioblastoma angioblastoma an·gi·o·blas·to·ma (ān’jē-ō-blā-stō’mə) n. See hemangioblastoma.
x-ray examination of the heart and its blood vessels following intravenous injection of radiopaque fluid; coronary angiography. angiocardiography an·gi·o·car·di·og·ra·phy (ān’jē-ō-kär’dē-ŏg’rə-fē) n. Examination of the heart and associated blood vessels using x-rays following the injection of a radiopaque substance. an’gi·o·car’di·o·graph’ic (-ə-grāf’ĭk) adj.
angiocardiopathy angiocardiopathy an·gi·o·car·di·op·a·thy (ān’jē-ō-kär’dē-ŏp’ə-thē) n. A disease affecting the heart and the blood vessels.