Medical Definition of External obturator muscle
1.
Origin, lower half of margin of obturator foramen and adjacent part of external surface of obturator membrane; insertion, trochanteric fossa of greater trochanter; action, rotates thigh laterally; nerve supply, obturator.
Synonym: musculus obturator externus, external obturator muscle.
(05 Mar 2000)
Lexicographical Neighbors of External Obturator Muscle
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