| 单词 | segmentation cavity |
| 例句 | The cavity of the blastosphere, or segmentation cavity. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z In the course of a series of divisions the eight cells come to form a hollow sphere—the blastosphere—enclosing a cavity known as the cleavage or segmentation cavity. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z The central part of the blastosphere is called the segmentation cavity or blastocoel. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z The sharp angle by which the cells met at the centre has become rounded off, and has left a little space, the segmentation cavity, filled with fluid in the middle of the embryo. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 In the gastrula stage, the segmentation cavity in which the mesoblast is formed lies between the entoblast and ectoblast. The Gutenberg Webster's Unabridged Dictionary Section S Certain cells do not become invaginated into the segmentation cavity because they possess groups of determinants that impel them to the assumption of inner layer characters. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z |
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