Definition of theca

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Theca (n.) A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord..

Lern More About Theca

Pharmacy :: Pharmacy (n.) The art or practice of preparing and preserving drugs, and of compounding and dispensing medicines according to prescriptions of physicians; the occupation of an apothecary or a pharmaceutical chemist..
Hydrotheca :: Hydrotheca (n.) One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of Hydroidea, and Campanularian..
Theca :: Theca (n.) The more or less cuplike calicle of a coral.
Thecaphore :: Thecaphore (n.) A surface or organ bearing a theca, or covered with thecae..
Teleophore :: Teleophore (n.) Same as Gonotheca.
Vaginal :: Vaginal (a.) Of or pertaining to a vagina; resembling a vagina, or sheath; thecal; as, a vaginal synovial membrane; the vaginal process of the temporal bone..
Thecae :: Thecae (pl. ) of Thec.
Gonotheca :: Gonotheca (n.) A capsule developed on certain hydroids (Thecaphora), inclosing the blastostyle upon which the medusoid buds or gonophores are developed; -- called also gonangium, and teleophore. See Hydroidea, and Illust. of Campanularian..
Monothecal :: Monothecal (a.) Having a single loculament.
Spermathecae :: Spermathecae (pl. ) of Spermathec.
Pinacotheca :: Pinacotheca (n.) A picture gallery.
Hydractinian :: Hydractinian (n.) Any species or marine hydroids, of the genus Hydractinia and allied genera. These hydroids form, by their rootstalks, a firm, chitinous coating on shells and stones, and esp. on spiral shells occupied by hermit crabs. See Illust. of Athecata..
Urn :: Urn (n.) A hollow body shaped like an urn, in which the spores of mosses are contained; a spore case; a theca..
Cantharis :: Cantharis (n.) A beetle (Lytta, / Cantharis, vesicatoria), havin1g an elongated cylindrical body of a brilliant green color, and a nauseous odor; the blister fly or blister beetle, of the apothecary; -- also called Spanish fly. Many other species of Lytta, used for the same purpose, take the same name. See Blister beetle, under Blister. The plural form in usually applied to the dried insects used in medicine..
Pothecary :: Pothecary (n.) An apothecary.
Rhinothecae :: Rhinothecae (pl. ) of Rhinothec.
Vagina :: Vagina (n.) A sheath; a theca; as, the vagina of the portal vein..
Pyxidium :: Pyxidium (n.) The theca of mosses.
Gymnotoka :: Gymnotoka (n. pl.) The Athecata.
Gnathothecae :: GnathothecAe (pl. ) of Gnathothec.
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