- protostome
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Any animal, of the former taxon Protostomia, in which the mouth is derived from the embryonic blastopore
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protostome
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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
protostome — Invertebrate phylum in which the mouth forms from the embryonic blastopore. Major protostome phyla are Annelida, Mollusca and Arthropoda. See deuterostome … Dictionary of molecular biology
protostome — noun Etymology: New Latin Protostomia, from prot + Greek stoma mouth more at stomach Date: 1959 any of a major group (Protostomia) of bilateral metazoan animals (as mollusks, annelids, and arthropods) characterized in typical forms by determinate … New Collegiate Dictionary
Protostome — Protostomia Protostomiens … Wikipédia en Français
protostome — См. protostom … Dictionary of invertebrate zoology
protostome — /proh teuh stohm /, n. Zool. any member of the lower invertebrate phyla in which the mouth appears before the anus during development, cleavage is spiral and determinate, and the coelom forms as a splitting of the mesoderm. Cf. deuterostome.… … Universalium
protostome — SYN: blastopore. [proto + G. stoma, mouth] * * * pro·to·stome (proґto stōm) [proto + Gr. stoma mouth] an individual of the Protostomia … Medical dictionary
protostome — [ prəʊtə(ʊ)stəʊm] noun Zoology an organism whose mouth develops from a primary embryonic opening, such as an annelid, mollusc, or arthropod. Compare with deuterostome. Origin 1950s: from proto + Gk stoma mouth … English new terms dictionary
protostome — pro·to·stome … English syllables
protostome — pro•to•stome [[t]ˈproʊ təˌstoʊm[/t]] n. zool. any invertebrate in which the mouth appears before the anus during development, cleavage is spiral and determinate, and the coelom forms as a splitting of the mesoderm … From formal English to slang
