embrione

Definitions of embrione
  1. noun
    an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
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    types:
    blastula, morula
    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
    gastrula
    double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm
    type of:
    animale, bestia, bruto, organismo animale
    a living organism characterized by voluntary movement
  2. noun
    (botany) a minute rudimentary plant contained within a seed or an archegonium
    synonyms: germe
    see moresee less
    type of:
    organismo vegetale, pianta, vegetale
    (botany) a living organism lacking the power of locomotion
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