SPECIES CHARACTERISTICS OF HEART AURICLES AND VENTRICLES FORMATION IN HEN, DUCK AND GOOSE
Abstract
The article studies species characteristics of inside surface in heart auricles and ventricles in hen, duck and goose with the use of morphological, morphometric and statistical methods of research. The materials to examine were heart auricles and ventricles and their corrosive casts. It is revealed that the myocardium of the left heart ventricle in hen, duck and goose is twofold thicker than the right one, which is connected with the performance of the left one in the big cycle of blood circulation. When studying corrosive casts from the cavities of auricles and ventricles, it was established that the casts obtained coincide with the shape of inside surface of heart auricles and ventricles. The inside surface of the examined avian auricles is smooth, but in the region of in-between auricles septum there is a between auricles crest from which 5–6 crest muscles run. The intervals between them decrease from ear base towards ear-tip. In the avian species studied the inside surface of the left ventricle has well expressed trabecules and intertrabecular spaces, but that of the right one is marked to have minor branching only along the rim of the ventricle. The data obtained expand, add and elaborate on the results about the structure of inside surface of heart auricles and ventricles in hen, duck and goose that are required for comparative morphology, biology and veterinary science.
About the Authors
I. G. Tsuskman
Омский государственный аграрный университетим. П. А. Столыпина
Russian Federation
Russian Federation
L. V. Fomenko
Омский государственный аграрный университетим. П. А. Столыпина
Russian Federation
Russian Federation
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Review
For citations:
Tsuskman I.G., Fomenko L.V. SPECIES CHARACTERISTICS OF HEART AURICLES AND VENTRICLES FORMATION IN HEN, DUCK AND GOOSE. Bulletin of NSAU (Novosibirsk State Agrarian University). 2014;(4):150-153. (In Russ.)
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