| 单词 | segmentation sphere |
| 释义 | > as lemmassegmentation sphere segmentation sphere n. see quot. 1898. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > fertilized ovum and parts primitive streak1833 mulberry mass1851 morule1857 morula1875 stirp1875 cytula1876 vegetative pole1876 genoblast1877 mulberry germ1879 parent kernel1879 vegetal pole1881 animal pole1882 amphiaster1885 oosperm1888 segmentation sphere1898 1898 New Sydenham Soc. Lexicon Segmentation sphere, one of the cells of a fertilized ovum that has undergone segmentation. 1909 Contemp. Rev. Apr. 447 Each segmentation sphere contained all the characters necessary to produce the entire organism. < as lemmas |
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