obturator internus

obturator in·​ter·​nus | \ -in-ˈtər-nəs How to pronounce obturator internus (audio) \

Medical Definition of obturator internus

: a muscle that arises from the margin of the obturator foramen and from the obturator membrane, that inserts into the greater trochanter of the femur by way of tendons passing through the greater sciatic foramen, and that acts to rotate the thigh laterally when it is extended and to abduct it in the flexed position

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Dictionary Entries Near obturator internus

obturator groove

obturator internus

obturator membrane

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Cite this Entry

“Obturator internus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/obturator%20internus. Accessed 7 Dec. 2021.

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