ulnar nerve

noun

Medical Definition of ulnar nerve

: a large superficial nerve of the arm that is a continuation of the medial cord of the brachial plexus, passes around the elbow superficially in a groove between the olecranon and the medial epicondyle of the humerus, and continues down the inner side of the forearm to supply the skin and muscles of the little-finger side of the forearm and hand — see funny bone

Learn More about ulnar nerve

Cite this Entry

“Ulnar nerve.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ulnar%20nerve. Accessed 1 Dec. 2020.

Comments on ulnar nerve

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

WORD OF THE DAY

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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!