Definition of theca

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Theca (n.) The chitinous cup which protects the hydranths of certain hydroids.

Lern More About Theca

Oothecae :: Oothecae (pl. ) of Oothec.
Pharmacopolist :: Pharmacopolist (n.) One who sells medicines; an apothecary.
Druggist :: Druggist (n.) One who deals in drugs; especially, one who buys and sells drugs without compounding them; also, a pharmaceutist or apothecary..
Officinal :: Officinal (a.) Kept in stock by apothecaries; -- said of such drugs and medicines as may be obtained without special preparation or compounding; not magistral.
Weight :: Weight (v. t.) A scale, or graduated standard, of heaviness; a mode of estimating weight; as, avoirdupois weight; troy weight; apothecaries' weight..
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..
Dithecal :: Dithecal (a.) Alt. of Dithecou.
Apothecary :: Apothecary (n.) One who prepares and sells drugs or compounds for medicinal purposes.
Podotheca :: Podotheca (n.) The scaly covering of the foot of a bird or reptile.
Hypothecation :: Hypothecation (n.) A contract whereby, in consideration of money advanced for the necessities of the ship, the vessel, freight, or cargo is made liable for its repayment, provided the ship arrives in safety. It is usually effected by a bottomry bond. See Bottomry..
Vagina :: Vagina (n.) A sheath; a theca; as, the vagina of the portal vein..
Hypothecator :: Hypothecator (n.) One who hypothecates or pledges anything as security for the repayment of money borrowed.
Ovicapsule :: Ovicapsule (n.) Same as Ootheca.
Theca :: Theca (n.) The wall forming a calicle of a coral.
Thecophora :: Thecophora (n. pl.) A division of hydroids comprising those which have the hydranths in thecae and the gonophores in capsules. The campanularians and sertularians are examples. Called also Thecata. See Illust. under Hydroidea.
Thecaphore :: Thecaphore (n.) A surface or organ bearing a theca, or covered with thecae..
Dertrotheca :: Dertrotheca (n.) The horny covering of the end of the bill of birds.
Connective :: Connective (n.) That part of an anther which connects its thecae, lobes, or cells..
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..
Theca :: Theca (n.) The chitinous cup which protects the hydranths of certain hydroids.
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