Med. Weter. 72 (4), 247-249, 2016

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Warchulska K., Barszcz K., Garncarz M., Sobczak-Filipiak M., Bielecki W., Dzierżanowska-Góryń D.:
Presence of cartilaginous foci in the left atrioventricular opening of the chinchilla’s heart
There are several publications in veterinary medicine reporting the presence of cartilage tissue in the heart of different classes of animals, including reptiles, birds, and mammals. Among mammalian species this phenomenon has been documented in rodents, lagomorphs, carnivores, proboscideans, perissodactyls, and artiodactyls. The aim of this study was to document foci of cartilaginous tissue in the left atrioventricular ostium and the left atrioventricular valve. These foci were located in the areas of leaflet attachment to the fibrous rings, as well as in both the parietal and septal cusps.
Key words: cartilage, heart, left atrioventricular opening, left atrioventricular valve, chinchilla