blastula
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.
See Examples For:
After fertilization, the zygote undergoes cleavage to form the blastula.
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
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
Next, the blastula undergoes further cell division and cellular rearrangement during a process called gastrulation.
From Textbooks ● Jan. 1, 2015
The blastula, or hollow sphere of segmentation cells, usually ciliated, was reminiscent of the planæa, an ancestral free-swimming form whose nearest living relation is the spherical Magosphæra.
From Form and Function A Contribution to the History of Animal Morphology by E. S. (Edward Stuart) Russell
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
