Medical Definition of Obturator internus

1. Origin, pelvic surface of obturator membrane and margin of obturator foramen; insertion, passes out of pelvis through lesser sciatic foramen, in so doing, making a 90° turn to insert into the medial surface of greater trochanter; action, rotates thigh laterally; nerve supply, nerve to obturator internus (sacral plexus). Synonym: musculus obturator internus, internal obturator muscle. (05 Mar 2000)



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Lexicographical Neighbors of Obturator Internus

obturates
obturating
obturating embolism
obturation
obturations
obturator
obturator canal
obturator externus
obturator fascia
obturator hernia
obturator internus (current term)
obturator lymph nodes
obturator membrane
obturator nerve
obturator vein
obturators
obtusangular
obtuse
obtuse-angled
obtuse-angled triangle
obtuse angle
obtuse leaf
obtuse triangle
obtuse triangles

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