/ Dictionary / Index A area vitellina: Meaning and Definition of Find definitions for: ar'ea vit•el•li'na Pronunciation: (vit"l-ī'nu), [key] — Embryol. Embryol. the nonvascular part of the area opaca surrounding the area vasculosa. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. area vasculosa areaway Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language