nucleus ambiguus

noun
nucleus am·​big·​u·​us | \ -am-ˈbig-yə-wəs How to pronounce nucleus ambiguus (audio) \

Medical Definition of nucleus ambiguus

: an elongated nucleus in the medulla oblongata that is a continuation of a group of cells in the ventral horn of the spinal cord and gives rise to the motor fibers of the glossopharyngeal, vagus, and accessory nerves supplying striated muscle of the larynx and pharynx

Comments on nucleus ambiguus

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

WORD OF THE DAY

a topic to which one constantly reverts

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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!