Scientific Works Series C. Veterinary Medicine

PRINT ISSN 2065-1295, ISSN-L: 2065-1295, ISSN CD: 2343-9394,ISSN ONLINE 2067-3663


Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXVIII, Issue 1
Written by Valerica DĂNACU, Petronela Mihaela ROŞU, Carmen IONIŢĂ, Viorel DĂNACU, Bogdan GEORGESCU

This study was performed to determine the histostructural features of the heart wall and blood vessels in sheep. For this study, organs from normally developed, clinically healthy sheep of different ages were used. The samples were processed according to the usual histological techniques and stained by the methods Hematoxylin eosin, orcein and Mallory. Histological examination revealed that in the structure of the endocardium was observed the endothelium represented by a simple squamous epithelium, the endothelial cells have an elongated shape and arranged linearly. The subendothelial layer is represented by lax connective tissue and the subendocardial layer consists of well-represented lax connective tissue that continues with the interstitial connective tissue of the heart. The structure of the myocardium shows the contractile myocardium with a different thickness in the two ventricles and the excitoconductive tissue. The structure of the pericardium shows the visceral sheet represented by the serous pericardium and the parietal sheet represented by the fibrous pericardium. The circulatory system is made up of: macrovases made up of large caliber arterioles, elastic, muscular arteries, muscular veins and microvessels.

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