parablast definition

  • noun:
    • The nutritive yolk of a meroblastic egg.
    • some regarding the mesoblast (of peripheral origin) for the developing embryo, whoever cells take part in the forming of the first bloodstream and blood vessels.
    • a percentage of this mesoblast (of peripheral source) regarding the developing embryo, the cells that are especially worried in developing the initial bloodstream and arteries.
    • The supplementary or nutritive yolk of a meroblastic egg or metovum, as distinguished from the archiblast,or formative yolk.
    • identical to mesoblast.
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