blastosphere

Example Sentences

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In this process a portion of the blastosphere wall is the tucked into the rest, as indicated by the arrow, so that a two-layered sack is formed.

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

The cavity of the blastosphere, or segmentation cavity.

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

Both the blastosphere and gastrula often swim freely by flagella.

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

The blastosphere determines the orientation of the gastrula, and so forth.

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

If we compare this with the typical blastosphere of the lower type, we see that it is, as it were, flattened out on the yolk.

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