Definitions for gastrulaˈgæs trʊ lə; -ˌli

This page provides all possible meanings and translations of the word gastrula

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. 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

WiktionaryRate this definition:(0.00 / 0 votes)

  1. gastrula(Noun)

    A stage in the development of embryos of most animals consisting of a two-layered sac of ectoderm and endoderm.

Webster DictionaryRate this definition:(0.00 / 0 votes)

  1. Gastrula(noun)

    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 Gastraea

  2. Gastrula(adj)

    of or pertaining to a gastrula

  3. Origin: [NL., dim. fr. Gr. the stomach.]

U.S. National Library of MedicineRate this definition:(0.00 / 0 votes)

  1. Gastrula

    The developmental stage that follows BLASTULA. It is characterized by the morphogenetic cell movements including invagination, ingression, and involution. Gastrulation begins with the formation of the PRIMITIVE STREAK, and ends with the formation of three GERM LAYERS, the body plan of the mature organism.

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