valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure … Medical dictionary
syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… … Medical dictionary
Shone's syndrome — consists of a set of four cardiac defects: a supravalve mitral membrane (SVMM), parachute mitral valve, subaortic stenosis (membranous or muscular) and coarctation of the aorta. Essentially, it is both a left ventricular inflow and outflow… … Wikipedia
deformity — A permanent structural deviation from the normal shape, size, or alignment, resulting in disfigurement; may be congenital or acquired. SEE ALSO: deformation (1). Åkerlund d. indentation (incisura) with niche of duodenal … Medical dictionary
Anomaly — A deviation from the usual, something different, peculiar, or abnormal. A congenital anomaly is something that is unusual and different at birth. A minor anomaly in this context is defined as an unusual anatomic feature that is of no serious… … Medical dictionary
ШОНА СИНДРОМ — (по имени американского кардиолога J. D. Shone; синоним – парашютообразный митральный клапан) – врожденный порок сердца, характеризующийся соединением хорд митрального клапана в один тяж, прикрепляющийся к одной сосочковой мышце; надклапанным… … Энциклопедический словарь по психологии и педагогике