Blastula

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. An early embryonic form produced by cleavage of a fertilized ovum and consisting of a spherical layer of cells surrounding a fluid-filled cavity. Also called blastosphere.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. An early form in the development of an embryo, consisting of a spherical layer of cells filled with fluid; a blastosphere.
    • the GNU version of the Collaborative International Dictionary of English
  • n. That stage in the development of the ovum in which the outer cells of the morula become more defined and form the blastoderm.
    • The Century Dictionary and Cyclopedia
  • n. In embryology: An embryo of one of the Metazoa, in the stage in which it consists of a sac formed of a single layer of cells.
  • n. In Haeckel′ s vocabulary of embryology, same as blastosphere, .
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
    • Variant
    blastulae   
     
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