MUSCULAR ANATOMY OF THE PECTORAL AND FORELIMB OF Caiman crocodilus crocodilus (LINNAEUS, 1758) (CROCODYLIA: ALLIGATORIDAE)

Authors

  • Fabiano Campos Lima Universidade Federal de Goiás - Regional Jataí
  • Anastácia Vale Leite Universidade Federal de Goiás - Regional Jataí
  • André Luiz Quagliatto Santos Universidade Federal Uberlândia
  • Dayane Kelly Sabec-Pereira Universidade Federal de Goiás - Regional Jataí
  • Eugênio Gonçalves Araújo Universidade Federal de Goiás - Regional Goiânia
  • Kleber Fernando Pereira Universidade Federal de Goiás - Regional Jataí

DOI:

https://doi.org/10.1590/cab17233788

Keywords:

Animal Anatomy

Abstract

Among the Brazilian crocodilian, Caiman crocodilus crocodilus is widely distributed, given its adaptation to diverse habitats and their generalist diet. Information about the reproductive and ethological character of this species is abundant, whereas morphological data are still scarce. This study aimed to identify and report the muscles and their origin and the insertion into the pectoral and forelimb of C. crocodilus crocodilus. We used two male specimens, adults, belonging to the collection of the UFG – Jataí. We performed usual procedures for dissection and further individualization, withdrawal of members, and observation of muscle origins and insertions. The musculature of C. crocodilus crocodilus generally conservative is similar to C. latirostris and A. mississippiensis. The muscles of the pectoral girdle showed little variation among crocodilians. In the forelimb, the triceps muscle has five distinct heads and biceps has only one. The extensor and flexor surface of the hand showed similar topography to A. mississippiensis. We described some differences in the origin and insertion of certain muscles, as well as the classification and topography of some flexor and extensor muscles in the forearm segment. The distal segments showed more variations, which probably reflects the variety of locomotor habits among crocodilians.
Keywords: Common caiman; crocodilians; myology; muscle; reptiles.

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Published

2016-04-29

How to Cite

LIMA, F. C.; LEITE, A. V.; SANTOS, A. L. Q.; SABEC-PEREIRA, D. K.; ARAÚJO, E. G.; PEREIRA, K. F. MUSCULAR ANATOMY OF THE PECTORAL AND FORELIMB OF Caiman crocodilus crocodilus (LINNAEUS, 1758) (CROCODYLIA: ALLIGATORIDAE). Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 17, n. 2, p. 285–295, 2016. DOI: 10.1590/cab17233788. Disponível em: https://revistas.ufg.br/vet/article/view/33788. Acesso em: 31 aug. 2024.

Issue

Vol. 17 No. 2 (2016)

Section

Veterinary Medicine

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