Abstract
Back ground: The vulnerability of the buffalo to the luxation of the hip articulation previous to and during parturition encouraged the investigation in this species. The literature reviewed did not reveal complete anatomical descriptions of the coxofemoral articulation of buffalo. Hence the study was undertaken. Purpose: to study the different anatomical aspects of the hip joint which are specific to buffaloes. Methods and Results: A total number of fifteen hip joints of buffalo calves procured from the local slaughter house and department of Veterinary Anatomy were studied in the Department of Veterinary Anatomy, College of Veterinary Science, Tirupati irrespective of breed, sex and nutritional status. The gross morphology of joints and relations were studied. The round ligament of buffalo was stronger compared to cattle. A thick fibrous stratum of articular capsule was present. A few arched and semi-circular fibers were seen in the articular capsule but zona orbicularis was absent. The best developed periarticular ligament in the buffalo hip was the iliofemoral ligament. It was a thick cord of connective tissue extending from a nodule below and behind the ischiatic spine and spreaded over the capsula articularis and finally attached to the trochanter major and trochanteric ridge. The pubocapsular ligament was located on the ventral surface of the joint capsule and blended with it. Compared to the most of other quadripeds the periarticular ligaments were well developed in buffalo. The iliofemoral ligament was mostly helpful in preventing the hip from excessive extension and adduction. The relative development of the periarticular ligaments in the biped and quadrupeds were probably in accordance with comparative weight that this articulation must support. Potential implications: An understanding of the basic anatomy of the hip helps in understanding pathology and can greatly assist the surgeon in appropriately diagnosing and treating the problems.
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