blastosphere
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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 Oscar Hertwig
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 H. G. (Herbert George) Wells
A limit is set to increase in the size of a blastosphere by the nature of the material of its walls.
From The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development by Oscar Hertwig
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 H. G. (Herbert George) Wells
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 William Harmon Norton
