Definition of blastula in English:

blastula

Line breaks: blas|tula
Pronunciation: /ˈblastjʊlə
 
/

noun (plural blastulae /-liː/ or US blastulas)

Embryology
An animal embryo at the early stage of development when it is a hollow ball of cells.
More example sentences
  • With time, cells gradually become determined, so that similar cells taken from later-stage blastulas and early gastrulas develop according to their fate at the time of transplantation.
  • Gastrulation in its broadest sense is the reorganization of the cells of the blastula to form a multilayered embryo, the gastrula.
  • Embryos treated at lower concentrations showed delayed gastrulation and those treated at higher concentrations developed to blastulae having abnormal blastocoels with excess cells.

Origin

late 19th century: modern Latin, from Greek blastos 'sprout'.

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Pronunciation: ˈhjuːbrɪs
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excessive pride or self-confidence