Meaning Of The Word Yolk sac

Real Dictionary

What's the definition of Yolk sac? Find Yolk sac meanings, definitions and more at the Real Dictionary online.

Yolk sac Meaning

Yolk sac Definition
Yolk sac Definition

What's The Definition Of Yolk sac?

yolk sac in British English
a saclike vascular membrane containing yolk, an outgrowth from the ventral surface of very yolky vertebrate embryos, as those of fishes, birds, or reptiles, that supplies nourishment to the embryo
noun: an extraembryonic membrane that encloses the yolk of eggs in birds, reptiles, and marsupials and that circulates nourishment from the yolk to the developing embryo
noun: the membranous sac that is attached to the ventral surface of the embryos of birds, reptiles, and some fishes and contains yolk

More Definitions

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Definitions Of The Day

  • Tai ‐ a subbranch of the Sino-Tibetan language family…
  • Manila grass ‐ a compact, shade-tolerant, turf-forming grass…
  • Bodacious ‐ outstanding in a showy way; splendid; adjective:…
  • Pocatello ‐ noun: a city in SE…
  • Blackcock ‐ noun: the male of the…
  • Aisne ‐ river in N France, flowing into the Oise: 175…
  • Tulipomania ‐ noun: a widespread obsession with tulips, esp…
  • Cmdr ‐ Cmdr is a written abbreviation for commander…
  • Compossibility ‐ noun: the possibility of…
  • LRT ‐ light-rail transit; abbreviation for: light-rail…