extensor pollicis brevis

noun
extensor pol·​li·​cis brev·​is | \ -ˈpäl-ə-səs-ˈbrev-əs How to pronounce extensor pollicis brevis (audio) , -ˈpäl-ə-kəs- How to pronounce extensor pollicis brevis (audio) \

Medical Definition of extensor pollicis brevis

: a muscle that arises from the dorsal surface of the radius, extends the first phalanx of the thumb, and adducts the hand

Learn More about extensor pollicis brevis

Cite this Entry

“Extensor pollicis brevis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/extensor%20pollicis%20brevis. Accessed 27 Nov. 2020.

Comments on extensor pollicis brevis

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

WORD OF THE DAY

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

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!