Blastula Definition

blăschə-lə
blastulae, blastulas
noun
An embryo at the stage of development in which it consists of usually one layer of cells around a central cavity, forming a hollow sphere.
Webster's New World
Synonyms:

Other Word Forms of Blastula

Noun

Singular:
blastula
Plural:
blastulae, blastulas

Origin of Blastula

  • From New Latin, diminutive of Ancient Greek βλαστός (blastos, “a germ, bud, sprout, shoot”), from βλαστάνειν (blastanein, “to bud, sprout, grow, properly of plants, but also of animals”).

    From Wiktionary

  • New Latin from Greek blastos bud Latin -ula feminine diminutive suff.

    From American Heritage Dictionary of the English Language, 5th Edition

Blastula Sentence Examples

  • Then follows the phenomenon of gastrulation, by which onehalf of the blastula is invaginated into the other, so as to obliterate the segmentation cavity.

  • The result of cleavage in all cases is a typical blastula, which when set free becomes oval and develops a flagellum to each cell, but when not set free, it remains spherical in form and has no flagella.

  • When the blastula is oval and freeswimming the inner mass is formed by unipolar immigration from the hinder pole.

  • Thus a planula larva may be a blastula, or but slightly advanced beyond this stage, or it may be (and most usually is) a parenchymula; or in some cases (Scyphomedusae) it may be a gastrula.

  • When the blastula is spherical and not set free, the germ-layer formation is always multipolar, either by immigration or by delamination, i.e.

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Words Starting With

BBLBLA

Words Ending With

ALAULA

Unscrambles

blastula

Words Starting With B and Ending With A

Starts With B & Ends With AStarts With BL & Ends With AStarts With B & Ends With LA

Word Length

8 Letter Words8 Letter Words Starting With B8 Letter Words Ending With A