ORIGIN, COURSE AND DISTRIBUTION OF THE VENAE CORDIS IN THE RABBIT AND GOAT. (COMPARATIVE STUDY).

Document Type : Original Article

Authors

Dept. Of Anatomy and Histology, Fac. of Vet. Med. Cairo Univesity, Beni-Suef Branch.

Abstract

The venae cordis in both the rabbit and goat were represented by 1-V cordis magna, 2-V. cordis media, 3-Vv. Cordis dextrac and 4-Vv. cordis minimae. In the origin of the V. cordis magna in the ventral aspect of the V. cava crarinalis sinistra was more diverse than in which it constituted the cranial of the Sinus coronasius. In both animals, the V. cordis magna vascularized the Ventriculus sinister through, R. interventricularis -medius and Rr. proximales ventriculaze sinister. Moreover, it drained the two tricles by R. interventricularis paraconalis it also branched of the R. Proximalis sinistrum to vascularize the Atrium sinistrum. In the rabbit, the V. cordis media was derived directly from the Atrium dextrum, however, in the goat it splited from the Sinus coronasius. It drained the two ventricles, moreover, it participated the preceding vessel to vascularize the sinistrum interventriculaze via several small staples. In the rabbit, the Vv. cordis dextrac were demonstrated as two slender vessels, however, in the goat, they were considerable ones, which converged constitute a main trunk. They diverged from the Atrium dextrum to drain it as well as the Ventriculus dexter. As an adjunct to the preceding vessels, sever minute ones (Vv. cordis minimae being intervened within the myocardium of We four chambers and emptied into the cavity of the ventriculus dexter as well as the Atrium dextrum.

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