nematotheca

nematotheca
n. [Gr. nema, thread; theke, case]
(CNIDARIA: Hydrozoa)
In Leptomedusae, small stemmed structures from which nematophores develop; one-chambered, single and immovable; two-chambered, shaped like a wineglass, with upper chamber capable of limited movement on its stem.

Online Dictionary of Invertebrate Zoology. . 2005.

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Look at other dictionaries:

  • 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

  • cauline — adj. [L. caulis, stalk] (CNIDARIA: Hydrozoa) A term used to describe nematotheca attached to the main stem of a hydroid colony …   Dictionary of invertebrate zoology

  • sarcotheca — n. [Gr. sarx, flesh; theke, case] (CNIDARIA: Hydrozoa) The sheath of a sarcostyle; nematotheca …   Dictionary of invertebrate zoology

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