hydrotheca

hydrotheca
hy·dro·the·ca

English syllables. 2014.

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  • Hydrotheca — Hy dro*the ca, n.; pl. L. {Hydrothec[ae]}, E. {Hydrothecas}. [NL., fr. E. hydra + Gr. ? a box.] (Zo[ o]l.) One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of {Hydroidea}, and {Campanularian}. [1913… …   The Collaborative International Dictionary of English

  • Hydrothēca — Hydrothēca, s. Hydromedusen, S. 696 …   Meyers Großes Konversations-Lexikon

  • hydrotheca — n. [Gr. hydor, water; theke, case] (CNIDARIA: Hydrozoa) Peridermal cups into which most or all of the hydranth can retract, may be provided with an operculum; in some Thecata, the cup may be reduced to a mere platform supporting the hydranth …   Dictionary of invertebrate zoology

  • hydrotheca — hydrothecal, adj. /huy dreuh thee keuh/, n., pl. hydrothecae / kee/. Zool. the part of the perisarc covering a hydranth. [1870 75; < NL; see HYDRO 1, THECA] * * * …   Universalium

  • hydrotheca — …   Useful english dictionary

  • Hydrothecae — Hydrotheca Hy dro*the ca, n.; pl. L. {Hydrothec[ae]}, E. {Hydrothecas}. [NL., fr. E. hydra + Gr. ? a box.] (Zo[ o]l.) One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of {Hydroidea}, and {Campanularian} …   The Collaborative International Dictionary of English

  • Hydrothecas — Hydrotheca Hy dro*the ca, n.; pl. L. {Hydrothec[ae]}, E. {Hydrothecas}. [NL., fr. E. hydra + Gr. ? a box.] (Zo[ o]l.) One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of {Hydroidea}, and {Campanularian} …   The Collaborative International Dictionary of English

  • Hydroid — may refer to:Marine BiologyColonial, plant like animals closely related to jellyfish, with stinging cellsany member of the invertebrate order Hydroida (class Hydrozoa, phylum Cnidaria). Hydroids have three basic life cycle stages: (1) a tiny free …   Wikipedia

  • Air fern — Sertularia argentea Scientific classification Kingdom: Animalia Subkingdom: Eumetazoa Phylum …   Wikipedia

  • 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

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