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The nerves that arise from the lumbar plexus are femoral, obturator, lateral femoral cutaneous, genitofemoral, illoinguinal and illohypogastric nerve. As part of lumbosacral plexus, it is the nervous plexus that is found in the lumbar region.
cervical plexus
Femoral nerve
Obturator Nerve, Obturator Artery, and Obturator Vein.
OBTURATOR
false
pirifomis musle superior gluteal artery and vein internal pudental atery and vein superior gluteal nerve inferior gluteal atery and vein inferior gluteal nerve pudental nerve sciatic nerve poterior femoral cutanious nerve nerve to obturator internus nerve to quadratus femoris
I assume you are talking about a cath traveling through the femoral artery, if that is the case, there should be no danger to the sciatic nerve during this procedure.
The lumbar plexus
femoral artery and femoral vein, saphenous nerve and nerve to vastus medialis
The femoral sheath is a downward prolongation of abdominal fascial lining into the lower limbs. It covers the femoral vessels and lymphatics for about 1.5 inches into the thigh. But the femoral nerve, which is the principal nerve of lower limb, lies outside this sheath. The reason is that the major nerves lie outside the fascial envelope.
The femur protects the deep femoral artery as well as the femoral nerve.