单词 | embrion |
释义 | embrionnounobsolete variant of embryo 1 a : an animal in the early stages of growth and differentiation that are characterized by cleavage, the laying down of fundamental tissues, and the formation of primitive organs and organ systems especially : the developing human individual from the time of implantation to the end of the eighth week after conception b archaic : a vertebrate at any stage of development prior to birth or hatching 2 : the young sporophyte of a seed plant usually comprising a rudimentary plant with plumule, radicle, and cotyledons 3 a : something as yet undeveloped b : a beginning or undeveloped state of something productions seen in embryo during their out-of-town tryout period Henry Hewes |
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