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Obturator nerve

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Nerve: Obturator nerve
Structures surrounding right hip-joint. (Obturator nerve labeled at upper right.)
Nerves of the right lower extremity. Front view.
Latin nervus obturatorius
Gray's subject #212 953
Innervates medial compartment of thigh
From Lumbar plexus
To posterior branch of obturator nerve, anterior branch of obturator nerve
MeSH [1]

The obturator nerve arises from the ventral divisions of the second, third, and fourth lumbar nerves; the branch from the third is the largest, while that from the second is often very small.

It descends through the fibers of the Psoas major, and emerges from its medial border near the brim of the pelvis; it then passes behind the common iliac vessels, and on the lateral side of the hypogastric vessels and ureter, which separate it from the ureter, and runs along the lateral wall of the lesser pelvis, above and in front of the obturator vessels, to the upper part of the obturator foramen.

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.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

de:Nervus obturatorius
fr:Nerf obturateur
Smallwikipedialogo.png This page uses content from the English-language version of Wikipedia. The original article was at Obturator nerve. The list of authors can be seen in the page history. As with Psychology Wiki, the text of Wikipedia is available under the GNU Free Documentation License.

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