blastosphere

Example Sentences

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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

There is no open invagination of an archenteron in the fowl, as in the frog--, the gastrula, like the blastosphere, stage is also masked.

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

This embryo, resembling a hollow rubber ball filled with fluid, is called a blastosphere.

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 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 Wells, H. G. (Herbert George)

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)