Comparative descriptive anatomy of the femoral artery in crab-eating fox, hoary fox and maned wolf
2017
Daiane dos Santos de Deus | Karime Cássia Silveira Gondim | Lázaro Antônio dos Santos | Daniela Cristina de Oliveira Silva | Lucas de Assis Ribeiro | Rodrigo Lopes de Felipe | Gustavo Alexandre de Oliveira Silva | Zenon Silva | Roseâmely Angélica de CARVALHO-BARROS
The goal of this study was to describe the anatomy of the femoral artery in wild canids such as the crab-eating fox (Cerdocyon thous), the hoary fox (Lycalopex vetulus), and the maned wolf (Chrysocyon brachyurus). Two specimens from each canid group were used. Red dyed latex was injected in the arterial system of the animals, which were then fixed in 10% formaldehyde aqueous solution and dissected following the routine techniques in macroscopic anatomy. In the three canid groups, the arterial pattern was similar to that described for domestic canids, in which the deep femoral artery rises from the external iliac artery, still in the abdominal cavity, and sends its first branch, the lateral circumflex femoral artery. A few muscular branches, one or two caudal femoral arteries, and the terminal branches – the descending genicular artery, the saphenous artery, and the popliteal artery – are all originated from the femoral artery. The origin pattern of these vessels also shows similarities with those from domestic canids, sometimes forming trunks and occasionally rising individually. Thus, it can be concluded that the anatomical pattern of the femoral artery and its branches in wild canids shows similarities with that from domestic canids, but inherent variations in each species are also present.
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