the blastula that forms as a flattened sphere on top of the yolk in the yolk-laden eggs of birds and reptiles.
the launching of a rocket, guided missile, or spacecraft. Historical Examples The Colors of Space Marion Zimmer Bradley A World Called Crimson Darius John Granger Wind Charles Louis Fontenay Equation of Doom Gerald Vance Atom Drive Charles Louis Fontenay Equation of Doom Gerald Vance Gold in the Sky Alan Edward Nourse The Judas Valley Gerald […]
reproduction by budding. the theory of the transmission of hereditary characters by germ plasm. noun the theory that inherited characteristics are transmitted only by germ plasm See also pangenesis asexual reproduction, esp budding blas’to·ge·net’ic (-jə-nět’ĭk) or blas’to·gen’ic (-jěn’ĭk) adj.
any cell produced during cleavage. Historical Examples The Ethics of Medical Homicide and Mutilation Austin O’Malley noun (embryol) any of the cells formed by cleavage of a fertilized egg blas’to·mer’ic (-mēr’ĭk, -měr’-) adj. blastomere (blās’tə-mîr’) Any of the cells resulting from the cleavage of a fertilized ovum. In the initial stage of development, the blastomeres […]
any yeastlike fungus of the genus Blastomyces, all members of which are pathogenic to humans and other animals. blastomycete (blās’tə-mī’sēt) Any of various yeastlike deuteromycetes of the class Blastomycetes that are pathogenic in humans and animals.