| 单词 | yolk segmentation |
| 释义 | > as lemmasyolk segmentation yolk segmentation n. = yolk cleavage n. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > conception > [noun] > synapsis or yolk-division yolk division1852 yolk cleavage1853 yolk segmentation1857 synapsis1895 1857 L. J. R. Agassiz Contrib. Nat. Hist. U.S.A. I. i. i. 75 The Rhizopods..may represent, in the type of Mollusks, the stage of yolk segmentation of Gasteropods. 1954 Science 29 Jan. 161/2 At about the 24th hr the yolk segmentation begins and the yolk mass is divided by thin membranes into many large cells. 2008 I. M. Suthers et al. in I. M. Suthers & D. Rissik Plankton viii. 217 The characters that can be used to identify eggs are the egg size and shape, number, position and pigmentation of oil globules, the degree of yolk segmentation, [etc.] < as lemmas |
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