Medical Dictionary

psoas minor

noun

Medical Definition of PSOAS MINOR

:  the smaller of the two psoas muscles that arises from the last dorsal and first lumbar vertebrae and inserts into the brim of the pelvis, that functions to flex the trunk and the lumbar spinal column, and that is often absent

Browse

May 27, 2015
riot act Hear it
a vigorous reprimand or warning
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears