Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

sinus rhomboidalis

play
noun sinus rhom·boi·da·lis \-ˌräm-ˌbȯid-ˈā-ləs\

Medical Definition of sinus rhomboidalis

  1. :  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




Seen and Heard

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

of striking ability or excellence

Get Word of the Day daily email!