blastosphere

Example Sentences

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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)

The earliest one-celled protozoa were probably succeeded by many- celled animals of the type of the blastosphere, and these by gastrula-like organisms.

From The Elements of Geology by Norton, William Harmon

The cavity of the blastosphere, or segmentation cavity.

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

The central part of the blastosphere is called the segmentation cavity or blastocoel.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various

Plainly, the blastosphere cannot be pre-existing as a structure of particles in the fertilised nucleus; there cannot be blastosphere determinants.

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