Medical Dictionary

gemellus

noun ge·mel·lus \jə-ˈme-ləs\
plural ge·mel·li \-ˌlī\ also ge·mel·lus·es

Medical Definition of GEMELLUS

:  either of two small muscles of the hip that insert into the tendon of the obturator internus: a :  a superior one originating chiefly from the outer surface of the ischial spine—called also gemellus superior b :  an inferior one originating chiefly from the ischial tuberosity—called also gemellus inferior

Illustration of GEMELLUS

Browse

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