- sporosac
-
a) A hydrozoan reproductive zooid or simple form of gonophore which does not become medusoid in form or structure
Wikipedia foundation.
sporosac
Look at other dictionaries:
Sporosac — Spo ro*sac (sp[=o] r[ o]*s[a^]k), n. [Spore + sac.] (Zo[ o]l.) (a) A hydrozoan reproductive zooid or gonophore which does not become medusoid in form or structure. See Illust. under {Athecata}. (b) An early or simple larval stage of trematode… … The Collaborative International Dictionary of English
Sporosac — (Gonophore), s. Hydromedusen … Meyers Großes Konversations-Lexikon
sporosac — n. [Gr. spora, seed; sakkos, bag] (CNIDARIA: Hydrozoa) In Siphonophora, gonophores held in place and not released into the water during larval development … Dictionary of invertebrate zoology
sporosac — spo·ro·sac … English syllables
sporosac — ˌsak noun Etymology: spor + sac 1. : a simple degenerate gonophore of some hydroids that is often little more than a gonad and never medusoid 2. a. : sporocyst b. : redia … Useful english dictionary
Leptomedusae — Taxobox name = Thecate hydroids image width = 230px image caption = Crystal Jelly ( Aequorea victoria , Conica: Aequoreidae) with the parasitic amphipod Hyperia medusarum Photo by Sierra Blakely. regnum = Animalia subregnum = Eumetazoa phylum =… … Wikipedia
Plumularioidea — Taxobox name = Plumularioidea image width = 240px image caption = Aglaophenia species (Aglaopheniidae) regnum = Animalia subregnum = Eumetazoa phylum = Cnidaria subphylum = Medusozoa classis = Hydrozoa subclassis = Leptolinae ordo = Leptomedusae… … Wikipedia
gonophore — n. [Gr. gone, that which produces seed; phoreus, bearer] (CNIDARIA: Hydrozoa) In Hydroida, a structure that produces gametes and is a sporosac, medusa or any intermediate stage … Dictionary of invertebrate zoology
HYDROZOAIRES — Les Hydrozoaires (Thomas Huxley, 1858) appartiennent à l’embranchement des Cnidaires venant, dans la classification du règne animal, après celui des Spongiaires qui groupe les plus primitifs des animaux pluricellulaires (Métazoaires). Les… … Encyclopédie Universelle
