Journal of Morphological Sciences
http://www.jms.periodikos.com.br/article/587cb48d7f8c9d0d058b473d
Journal of Morphological Sciences
Original Article

Origin and distribution of the femoral nerve in fetuses of zebu-crossed bovines

F.B. Lizardo; F.O.C. Silva; K.O. Awori; R.S. Severino; E.C. Guimarães; L.A. Santos; F.H.F. Eulálio; G.C. Sousa; M.A. Facury Neto; R. Bernardino Júnior; L.G. Cabral

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Abstract

In this study the femoral nerve origin and distribution was assessed through the dissection of 30 fetuses of zebu-crossed bovines, 20 males and 10 females. These animals samples fixation in 10% formaldehyde aqueous medium occurred either by subcutaneous, intra-muscle, and intra-cavity injections in different sites, or by immersion of the mentioned pieces in vessels containing the same medium. The femoral nerve originated from the forth (L4), fifth (L5), and sixth (L6) spinal lumbar ventral branches in 14 animals (46.7%), from L4 and L5 in 13 samples (43.3%), and L5 and L6 in three cases (10%). In the course of its way, on both antimeres the mentioned nerve was branched to the greater psoas (100%), iliac (100%), pectinal (56.7%), femoral quadriceps (100%), muscles, and gave off saphena nerve, which gave branches for the pectinal (43.3%) and sartorius (100%) muscles and continued distally along the saphena artery to spread on the medial face of the knee and leg medial articulation skin. Statistically, there was no significant difference between the muscle branch frequencies given by the femoral nerve to the right and left antimeres. The obtained results related to the femoral nerve origin and distribution in fetuses of zebu-crossed bovines generally presented common characteristics with the ruminant corresponding data found in the literature, and this information is important as the basis for clinical or surgical approaches involving the studied structures.

Keywords

peripheral nerve system, lumbar-sacral plexus, spinal nerves
587cb48d7f8c9d0d058b473d jms Articles
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J. Morphol. Sci.

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