deuterostome
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Deuterostome — Deuterostomes Temporal range: Late Ediacaran – Recent … Wikipedia
deuterostome — noun Etymology: New Latin Deuterostomia, group name, from deuter + Greek stoma mouth more at stomach Date: 1950 any of a major division (Deuterostomia) of the animal kingdom that includes the bilaterally symmetrical animals (as the chordates)… … New Collegiate Dictionary
deuterostome — n. [Gr. deuteros, second; stoma, mouth] True coelomates with radial cleavage of the egg, the blastopore becoming the anus, the coelom formed by enterocoely, including Echinodermata, Chaetognatha, Hemicordata and Chordata; see protostome … Dictionary of invertebrate zoology
Deuterostome — Embryonic developmental pattern in which the mouth does not form from the blastopore but from a second opening: includes echinoderms and chordates. Contrasts with morphogenesis in protostome phyla which include annelids, molluscs and arthropods.… … Dictionary of molecular biology
deuterostome — /dooh teuhr euh stohm , dyooh /, n. 1. Embryol. a mouth that develops separately from the blastopore. 2. Taxonomy. any member of the phyla (Chordata, Hemichordata, Echinodermata, Chaetognatha) in which the anus appears first, developing at or… … Universalium
deuterostome — мед.сущ. дейтеростома … Англо-русский медицинский словарь
Chordate — Chordata Temporal range: Early Cambrian – Recent, 540–0 Ma … Wikipedia
Protostome — Taxobox name = Protostomes fossil range = Ediacaran Recent image width = 200px image caption = Caribbean Reef Squid, an example of Protostome regnum = Animalia subregnum = Eumetazoa unranked phylum = Bilateria unranked classis = Protostomia… … Wikipedia
Evolutionary history of life — Although evidence of early life is scarce and often difficult to interpret, it appears that life appeared on Earth relatively soon (on the geologic time scale) after the planet had cooled enough for liquid water to be present. The dominant theory … Wikipedia
Hemichordata — Kiemenlochtiere Eichelwurm (Saccoglossus sp.) Systematik Reich: Tiere (Animalia) Unterreich … Deutsch Wikipedia


