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Here it enters the thigh, through the obturator canal, and divides into an anterior and a posterior branch, which are separated at first by some of the fibers of the obturator externus, and lower down by the adductor brevis. [2] An accessory obturator nerve may be present in approximately 8% to 29% of the general population. [3]
One of these supplies the pectineus, penetrating its deep surface, another is distributed to the hip-joint; while a third communicates with the anterior branch of the obturator nerve. Occasionally the accessory obturator nerve is very small and is lost in the capsule of the hip-joint. When it is absent, the hip-joint receives two branches from ...
The cutaneous branch of the obturator nerve is an occasional continuation of the communicating branch to the femoral medial cutaneous branches and saphenous branches ...
The anterior branch of the obturator nerve is a branch of the obturator nerve found in the pelvis and leg. [1]It leaves the pelvis in front of the obturator externus and descends anterior to the adductor brevis, and posterior to the pectineus and adductor longus; at the lower border of the latter muscle it communicates with the anterior cutaneous and saphenous branches of the femoral nerve ...
Its smaller motor branches are distributed directly to psoas major, while the larger branches leave the muscle at various sites to run obliquely down through the pelvis to leave under the inguinal ligament with the exception of the obturator nerve which exits the pelvis through the obturator foramen. [1]
The posterior branch of the obturator nerve pierces the anterior part of the obturator externus, and supplies this muscle; it then passes behind the adductor brevis on the front of the adductor magnus, where it divides into numerous muscular branches which are distributed to the adductor magnus and the adductor brevis. [1]
Variations in origin and course of obturator artery. (Obturator canal not labeled, but visible at bottom center of each diagram.) The obturator canal is formed between the obturator membrane and the pelvis. [1] The obturator artery, obturator vein, and obturator nerve all travel through the canal.
Common fibular nerve (blue) - labeled as "peroneal nerve". Also Lateral sural cutaneous nerve. Saphenous nerve (pink), a branch of the femoral nerve. Superficial fibular nerve (yellow) - labeled as "superficial peroneal nerve". Also Medial dorsal cutaneous nerve. Sural nerve (brown). Also Medial sural cutaneous nerve.