gástrula
31gastrula — generally in embryology, a postblastula stage in which an archenteron (primitive gut or gastrocoele) forms by invagination of cells through a blastopore, and in which germ layers appear and the embryonic axis is formed. In fishes, an archentron… …
32gastrula — n. [Gr. dim. gaster, stomach] Embryonic stage resembling a sac with an outer layer of epiblastic cells (ectoderm) and an inner layer of hypoblastic cells (endoderm and mesoderm); the enclosed cavity is the archenteron or gastrocoel; gastrular adj …
33gastrula — Embryonic stage of an animal when gastrulation occurs; follows blastula stage …
34gastrula — noun A stage in the development of embryos of most animals consisting of a two layered sac of ectoderm and endoderm …
35gastrula — {{hw}}{{gastrula}}{{/hw}}s. f. (biol.) Uno degli stadi iniziali di sviluppo dell embrione …
36gastrúlã — s. f., g. d. art. gastrúlei …
37Gastrula — ◆ Gạs|tru|la 〈f.; Gen.: ; Pl.: unz.; Biol.〉 embryonales Entwicklungsstadium der meisten Tiere, das durch Einfaltung den Urmund hervorbringt [Etym.: neulat., Verkleinerungsform zu grch. gaster »Unterleib, Magen«] ◆ Die Buchstabenfolge gas|tr…… …
38Gastrula — Gạ|strula [zu gr. γαστηρ, Gen.: γαστρος = Bauch; Magen] w; , ...lae: zweischichtiger Becherkeim (Entwicklungsstadium vielzelliger Tiere) aus ↑Ektoderm u. ↑Entoderm (Biol.) …
39gastrula — pl.f. gastrule …
40gastrula — ż I, DCMs. gastrulali, blm biol. «wczesne stadium rozwojowe zarodka zwierząt i człowieka następujące po blastuli, w którym zarodek przybiera postać trójwarstwowego woreczka lub tarczki» ‹z gr.› …
