sulcus terminalis

noun
sulcus ter·​mi·​na·​lis | \ -ˌtər-mə-ˈnā-ləs How to pronounce sulcus terminalis (audio) \
plural sulci terminales\ -​ˌlēz How to pronounce sulci terminales (audio) \

Medical Definition of sulcus terminalis

1 : a V-shaped groove separating the anterior two thirds of the tongue from the posterior third and containing the circumvallate papillae
2 : a shallow groove on the outside of the right atrium of the heart

Learn More about sulcus terminalis

Cite this Entry

“Sulcus terminalis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sulcus%20terminalis. Accessed 19 Sep. 2020.

Comments on sulcus terminalis

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

WORD OF THE DAY

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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!