| 释义 |
parachute mitral valve par·a·chute mi·tral valvecongenital abnormality of the mitral valve characterized by the presence of a single papillary muscle from which the tendinous cords (chordae tendinae) of both valve leaflets divide; thus the resemblance to a parachute; the condition often produces a stenosis as the combined result of the tugging action of the cords on, and the subsequent narrowing between, the leaflets. Synonym(s): parachute deformitypar·a·chute mi·tral valve (par'ă-shūt mī'trăl valv) A congenital deformity of the mitral valve characterized by the presence of a single papillary muscle from which the tendinous cords or chordae tendineae of both valve leaflets divide; the condition often produces a stenosis as the combined result of the tugging action of the cords on, and the subsequent narrowing between, the leaflets. |