blastosphere

Example Sentences

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The cavity of the blastosphere, or segmentation cavity.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah

The cells of the lower half of the blastosphere are slightly larger than those of the upper half.

From 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 by Tyler, John Mason

Invagination, the infolding of a layer of cells, as, for instance, in the transformation of a blastosphere into a gastrula, xvii.

From The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development by Hertwig, Oscar

Thus, an oval and an elongate egg produce respectively an oval and an elongate blastosphere.

From The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development by Hertwig, Oscar

This is the blastosphere, shown diagrammatically in Figure 4, and of which an internal view, rather truer to the facts of the case as regards shape, is given as Figure 5.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)