obturator externus

noun
obturator ex·​ter·​nus | \ -ek-ˈstər-nəs How to pronounce obturator externus (audio) \

Medical Definition of obturator externus

: a flat triangular muscle that arises especially from the medial side of the obturator foramen made up of the rami of the pubis and ischium and from the medial part of the obturator membrane, that inserts by a tendon into the trochanteric fossa of the femur, and that acts to rotate the thigh laterally

Comments on obturator externus

What made you want to look up obturator externus? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to spread over or through

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!