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.
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
The blastosphere of the frog is like what the blastosphere of amphioxus would be, if the future hypoblast cells were enormously larger through their protoplasm being diluted with yolk.
From Text Book of Biology, Part 1: Vertebrata by H. G. (Herbert George) Wells
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
The cavity of the blastosphere, or segmentation cavity.
From Webster's Unabridged Dictionary (2nd 100 Pages) by Noah Webster
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 John Mason Tyler