blastosphere

Example Sentences

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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)

The conditions for the origin of the blastosphere come into existence only by the process of segmentation, and it is only by its capacity to divide that the egg contains the conditions for blastosphere formation.

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

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

The cavity of the blastosphere, or segmentation cavity.

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