GASTRULA

gastrula

(noun) double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm

Source: WordNet® 3.1


Noun

gastrula (plural gastrulas or gastrulae)

(embryology) A stage in the development of embryos of most animals consisting of a three-layered sac of ectoderm, mesoderm and endoderm.

Anagrams

• stragula

Source: Wiktionary


Gas"tru*la, n.; pl. Gastrulæ Etym: [NL., dim. fr. Gr. (Biol.)

Definition: An embryonic form having its origin in the invagination or pushing in of the wall of the planula or blastula (the blastosphere) on one side, thus giving rise to a double-walled sac, with one opening or mouth (the blastopore) which leads into the cavity (the archenteron) lined by the inner wall (the hypoblast). See Illust. under Invagination. In a more general sense, an ideal stage in embryonic development. See Gastræa.

– a.

Definition: Of or pertaining to a gastrula.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

24 December 2024

INTUITIVELY

(adverb) in an intuitive manner; “inventors seem to have chosen intuitively a combination of explosive and aggressive sounds as warning signals to be used on automobiles”


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The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.

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