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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

LIMA, Martin; MENDEZ, Virginia  and  PEREZ, William. Gross Anatomy of the Heart in the Western Grey Kangaroo (Macropus fuliginosus). Int. J. Morphol. [online]. 2009, vol.27, n.4, pp.1099-1104. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022009000400024.

The aim of this study was provide a description of the macroscopic heart anatomy of the kangaroo Macropus fuliginosus. The terms of the Nomina Anatomica Veterinaria were employed. Heart did not have interventricular sulcus. Auricles were located in both faces of the heart. Right ventricle had slight septomarginal trabecula that extended between papilar muscles and the parietal wall. Right ventricle parietal wall had plenty of trabecula carneae. Septal wall was smooth and had three papilar muscles. Papilar muscles of left ventricle were two and they were located over parietal wall. Septal walls and parietal of left ventricle were full of trabecula carneae that surrounded papilar muscles. Two vessels derived from the aorta, right and left sinus coronary arteries and a septal artery. Septal artery gave irrigation to interventricular septum and derived from left sinus of the aorta and their lumen had a higher diameter than the left coronary artery. Coronary arteries had intra myocardic route.

Keywords : Animal anatomy; Heart anatomy; Zoo animals; Macropus; Coronary vessels.

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