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Miologia comparada do membro torácico de macaco-prego e macaco-da-noite / Comparative myology of the forelimb in capuchin and night monkeys

Lima, Ana Rita de; Alves, José Gabriel Ribeiro; Gonçalves, Thamara Cozzi; Branco, Érika.
Acta sci. vet. (Online); 45: 1-8, 2017. tab, ilus
Artigo em Português | VETINDEX | ID: vti-20302

Resumo

Background: The capuchin monkey (Sapajus apella) and the night monkey (Aotus azarae infulatus) are primates with broad distribution in South America. Sapajus apella is best-studied species in the genus Cebus, and is commonly found in captivity in parks, zoos, and sorting centers in Brazil. Species in the genus Aotus have a primitive appearance with large eye sockets, and their nocturnal habits are unique among the apes today. Because these two species belong to the same order, they have similar morphological characteristics. In this work, we conduct a comparative study of the forelimb musculature between these two species to produce data for use in veterinary procedures.Materials, Methods & Results: Three capuchin monkey and three night monkey specimens were used, two females and one male for each species. Specimens were acquired from the National Center for Primates under approval from the Animal Research (CEPAN/IEC/SVS/MS) No. 008/2010. Specimens were frozen and donated after death by natural causes to the LaPMA (Animal Morphology Research Laboratory) at the Federal Rural University of Amazonia (UFRA). After being thawed in running water, the animals were fixed by intramuscular injection with 10% formaldehyde in aqueous solution and dissected to display thoracic limb muscle groups. Dissections were performed using basic instrumentation by creating a medial incision from the carpal region to the axillary region. After incision, the skin was folded and muscles were separated in order to identify muscle groups. The nomenclature adopted was based on the veterinary anatomy, and books about human anatomy for comparison of forearm muscles. The muscles that compound the shoulder was the supraspinal and infra-spinal. The arm was composed by the teres major and minor, the triceps brachii (long head, lateral head, and medial head), brachialis, biceps brachii, tensor muscle of the antebrachial fascia, coracobrachialis, and anconeous.[...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1