extensor pollicis longus

noun

extensor pollicis lon·​gus -ˈlȯŋ-gəs How to pronounce extensor pollicis longus (audio)
: a muscle that arises dorsolaterally from the middle part of the ulna, extends the second phalanx of the thumb, and abducts the hand

Dictionary Entries Near extensor pollicis longus

Cite this Entry

“Extensor pollicis longus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/extensor%20pollicis%20longus. Accessed 2 Dec. 2024.

Love words? Need even more definitions?

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