gastrulae

• plural

  plural

  The grammatical form denoting more than one person, place, thing, or idea.

  of gastrula.
  gastrula

  noun

  a metazoan embryo in an early state of germ layer formation following the blastula stage, consisting of a cuplike body of two layers of cells, the ectoderm and endoderm, enclosing a central cavity, or archenteron, that opens to the outside by the blastopore: in most animals progressing to the formation of a third cell layer, the mesoderm.

Example Sentences

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gastrulae

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

The gastraea probably lived in the sea during the Laurentian period, swimming about in the water by means of its ciliary coat much as free ciliated gastrulae do to-day.

From The Evolution of Man — Volume 2 by Ernst Heinrich Philipp August Haeckel

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