semimembranosus

noun
semi·​mem·​bra·​no·​sus | \ ˌsem-ē-ˌmem-brə-ˈnō-səs How to pronounce semimembranosus (audio) \
plural semimembranosi\ -​ˌsī How to pronounce semimembranosi (audio) \

Medical Definition of semimembranosus

: a large muscle of the inner part and back of the thigh that arises by a thick tendon from the back part of the tuberosity of the ischium, is inserted into the medial condyle of the tibia, and acts to flex the leg and rotate it medially and to extend the thigh

Learn More about semimembranosus

Cite this Entry

“Semimembranosus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/semimembranosus. Accessed 1 Oct. 2020.

Comments on semimembranosus

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

WORD OF THE DAY

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

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!