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Abstract
Nabipur, A. 2002. Anatomy and histology of the atrio-ventricular node of goats (Capra hircus). J. Appl. Anim. Res., 22: 255–260.
Anatomy and histology of the atrio-ventricular node was studied in 5 female goats. The atrio-ventricular node (4.23mm × 2.13mm × 0.61mm) was located beneath the endocardium, in the lower right side of interatrial septum and between the ostium of the coronary sinus and septal cusp of the tricuspid valve. It was irregular elongated oval shaped. Histologically, within the node there was a mass of twisting interconnecting bundles of fibers and intercalated discs were not seen. At the posterio-dorsal and anterio-ventral of the node there were a number of arterioles which supplied the node. Nerve fibers were abundant in the node and parasympathetic ganglions were present in adjacent fibrous ring.