The hindlimb arterial vessels in lowland paca (Cuniculus paca, Linnaeus 1766)
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Data
2014-11-05
Autores
Leal, L. M. [UNESP]
de Freitas, H. M. G. [UNESP]
Sasahara, T. H. C. [UNESP]
Machado, M. R. F. [UNESP]
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Blackwell Verlag GmbH.
Resumo
This study aims to describe the origin and distribution of the hindlimb arterial vessels. Five adult lowland pacas (Cuniculus paca) were used. Stained and diluted latex was injected, caudally to the aorta. After fixation in 10% paraformaldehyde for 72 h, we dissected to visualize and identify the vessels. It was found out that the vascularization of the hindlimb in lowland paca derives from the terminal branch of the abdominal aorta. The common iliac artery divides into external iliac and internal iliac. The external iliac artery emits the deep iliac circumflex artery, the pudendal epigastric trunk, the deep femoral artery; the femoral artery originates the saphenous artery, it bifurcates into cranial and caudal saphenous arteries. Immediately after the knee joint, the femoral artery is called popliteal artery, which divides into tibial cranial and tibial caudal arteries at the level of the crural inter-osseous space. The origin and distribution of arteries in the hindlimb of lowland paca resembles that in other wild rodents, as well as in the domestic mammals.
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Anatomia, Histologia, Embryologia, 2014.