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area opaca

American  
[oh-pey-kuh] / oʊˈpeɪ kə /

noun

Embryology.

  1. the opaque area of the blastoderm surrounding the area pellucida.

Etymology

Origin of area opaca

From New Latin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Blood, it may be mentioned, first appears in the area vasculosa, the outer portion of the area opaca.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.