BLASTULAE

BLASTULA

blastula, blastosphere

(noun) early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs

Source: WordNet® 3.1


Noun

blastulae

plural of blastula

Source: Wiktionary


BLASTULA

Blas"tu*la, n. Etym: [NL., dim. of Gr. a sprout.] (Biol.)

Definition: That stage in the development of the ovum in which the outer cells of the morula become more defined and form the blastoderm.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

7 June 2025

PARSEC

(noun) a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years


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