cor (kor) [L.] heart.
cor triatriatum
acute cor pulmonale acute overload of the right ventricle due to pulmonary hypertension, usually due to acute pulmonary embolism.
cor adipo´sum fatty heart (2).
cor bilocula´re a two-chambered heart with one atrium and one ventricle, and a common atrioventricular valve, due to failure of formation of the interatrial and interventricular septa.
cor bovi´num a greatly enlarged heart resulting from a hypertrophied or dilated left ventricle.
chronic cor pulmonale heart disease due to pulmonary hypertension secondary to disease of the lung or its blood vessels, with hypertrophy of the right ventricle.
cor triatria´tum a heart with three atrial chambers, the pulmonary veins emptying into an accessory chamber above the true left atrium and communicating with it by a small opening.
cor trilocula´re three-chambered heart.
cor trilocula´re biatria´tum a three-chambered heart with two atria communicating, by the tricuspid and mitral valves, with a single ventricle.
cor trilocula´re biventricula´re a three-chambered heart with one atrium and two ventricles.
cor tri·a·tri·a·tum (tr -  tr - t m)n. A congenital heart abnormality in which the heart has three atrial chambers, the left atrium being subdivided by a transverse septum with a single small opening that separates the openings of the pulmonary veins from the mitral valve. |
cor triatriatum
[kôr trī·ā′trē·ā′tum]
a congenital anomaly caused by failure of resorption of the embryonic common pulmonary vein, resulting in division of the left atrium by a fibromuscular diaphragm, the posterosuperior chamber receiving the pulmonary venous return and the anteroinferior chamber communicating with the left atrial appendage and mitral orifice. The orifice between the two compartments may be reduced or absent, producing pulmonary venous obstruction.
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