单词 | embryo |
释义 | em·bry·o ![]() n. pl. em·bry·os 1. a. The collection of cells that has developed from the fertilized egg of a vertebrate animal, before all the major organs have developed. b. A collection of such cells of a human, especially from implantation in the uterine wall through the eighth week of development. 2. Botany The young sporophytic plant contained within a seed or an archegonium. 3. An organism at any time before full development, birth, or hatching. 4. A rudimentary or beginning stage: an idea that was the embryo of a short story. [Medieval Latin embryō, from Greek embruon : en-, in; see EN-2 + bruein, to be full to bursting.] |
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