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

Medical Dictionary

area opaca

play
noun area opa·ca \-ō-ˈpā-kə\

Medical Definition of area opaca

  1. :  the peripheral opaque area that surrounds the area pellucida of a vertebrate embryo (as of a bird) formed by discoidal cleavage




Seen and Heard

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