blastula definition

  • noun:
    • An early embryonic form created by cleavage of a fertilized ovum and comprising a spherical layer of cells surrounding a fluid-filled hole. Also called blastosphere.
    • An early type within the development of an embryo, comprising a spherical level of cells full of fluid; a blastosphere.
    • That phase in the growth of the ovum in which the exterior cells regarding the morula be defined and form the blastoderm.
    • In embryology: An embryo of one for the Metazoa, when you look at the phase which it consist of a sac formed of just one layer of cells.
    • In Haeckel′ s language of embryology, just like blastosphere, .
    • very early phase of an embryo generated by cleavage of an ovum; a liquid-filled sphere whose wall surface is composed of an individual level of cells; during this phase (about eight days after fertilization) implantation in wall of this womb occurs
    • an early on embryonic kind from cleavage of a fertilized ovum and composed of a spherical layer of cells surrounding a fluid-filled cavity. Also called blastosphere.
    • An early form inside growth of an embryo, composed of a spherical level of cells filled with substance; a blastosphere.
    • That stage in growth of the ovum where the outer cells of this morula be more defined and form the blastoderm.
    • In embryology: An embryo of 1 for the Metazoa, within the stage by which it contains a sac formed of one layer of cells.
    • In Haeckel′ s language of embryology, identical to blastosphere, .
    • very early phase of an embryo made by cleavage of an ovum; a liquid-filled sphere whoever wall surface comprises just one layer of cells; with this phase (about eight times after fertilization) implantation into the wall surface of this womb occurs

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