| 单词 | germinal disc |
| 例句 | Meroblast′ic, undergoing segmentation only in the germinal disc, as the eggs of birds. Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) 2012-01-11T03:00:23.770Z This patch is the germinal disc, and the nuclear divisions are confined to it and to the transitional region, where it merges into the denser yolk which makes up the bulk of the egg. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z The origin and development of the blastoderm or germinal disc has nothing to do with recapitulation of the phylogeny. Naturalism And Religion Its tread is composed of several cells, and is now commonly called the germinal disc. The Evolution of Man — Volume 1 In this manner the germinal disc has become converted into the blastoderm, which consists of a small watch-glass-shaped mass of so-called cells resting on, but continuous with, the large yolk-mass. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z |
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