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scarring or collagenosis of the endocardium.
Synonym(s): endocardial sclerosis
1. situated or occurring within the heart.
2. pertaining to the endocardium.
elevations on the atrioventricular canal of the embryonic heart which later help partition the heart. Defective development contributes to several cardiac anomalies, including ventricular septal defect and atrioventricularis communis.
the accumulation of collagen and elastic fibers in the endocardium, together with left ventricular hypertrophy dilatation, is an inherited, primary cardiac anomaly in Burmese cats.
occurs with cardiac dilatation or hypertrophy. In cats, leads to restrictive cardiomyopathy.
a complication of chronic valvular insufficiency and congestive cardiomyopathy in dogs. May be partial or full thickness; can occur on the interatrial septum, producing an acquired septal defect, or elsewhere causing hemopericardium.
formed from the cardiogenic plate in the developing embryo, this forms the primordium of the truncus arteriosus, the atrium and the ventricles; it is later invested by the myocardium.