sinus rhomboidalis

noun
sinus rhom·​boi·​da·​lis | \ -ˌräm-ˌbȯid-ˈā-ləs How to pronounce sinus rhomboidalis (audio) \

Medical Definition of sinus rhomboidalis

: the posterior expanded and for a long time incompletely closed part of the neural groove of vertebrate embryos also : an expansion of the central canal in the sacral region derived from it

Learn More about sinus rhomboidalis

Cite this Entry

“Sinus rhomboidalis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sinus%20rhomboidalis. Accessed 31 Oct. 2020.

Comments on sinus rhomboidalis

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

WORD OF THE DAY

Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

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!