blastula
Example Sentences
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Here the cells in the blastula arrange themselves in two layers: the inner cell mass, and an outer layer called the trophoblast.
From Textbooks ● Jun. 9, 2022
The blastula, which in some species is a hollow ball of cells, undergoes a process called gastrulation, in which the three germ layers form.
From Textbooks ● Jun. 9, 2022
The cells in the blastula rearrange themselves spatially to form three layers of cells.
From Textbooks ● Jun. 9, 2022
Further cleavage results in a hollow ball of cells called a blastula.
From Textbooks ● Jan. 1, 2015
However, opinions still differ considerably as to the real nature of this "provisional gastrula" of the placental and its relation to the blastula into which it is converted.
From The Evolution of Man — Volume 1 by Ernst Heinrich Philipp August Haeckel
For Ptychodera, extensive EST data from egg, blastulae, gastrulae, larvae, juveniles, adult proboscis, stomochord, and gills defining 34,159 cDNA clones53, and 879,000 Roche/454 RNAseq reads from a mixed library of developmental stages54 were used.
From Nature ● Nov. 17, 2015
Near the end of my visit, our conversation turned from the theoretical consideration of morulas and blastulas to the specific realities of my own condition and treatment.
From Slate ● May 23, 2012
I picture the embryos themselves: round blastulas, with evenly divided cells.
From Slate ● May 23, 2012
