English edit

 
Strawberry anther with parallel thecae

Etymology edit

From New Latin, from Latin thēca, from Ancient Greek θήκη (thḗkē, a case, box, receptacle), from τίθημι (títhēmi, put, set, place). Doublet of tay.

Pronunciation edit

  • IPA(key): /ˈθiːkə/
  • (file)

Noun edit

theca (plural thecas or thecae)

  1. (biology) Any external case or sheath.
  2. (botany) The pollen-producing organ usually found in pairs and forming an anther.
  3. (medicine) The twin layers of cells surrounding the basal lamina of an ovarian follicle.
  4. (microbiology, planktology) The membrane complex enveloping the cells of certain plankton including diatoms and dinoflagellates.
  5. (marine biology) The calcareous wall of a corallite, the exoskeleton of a coral polyp.
  6. (Christianity) A case for the corporal cloth used in the Eucharist.
 
Theca (1) of a dinoflagellate

Derived terms edit

Related terms edit

Further reading edit

Anagrams edit

Kikuyu edit

Alternative forms edit

Pronunciation edit

Verb edit

theca (infinitive gũtheca)

  1. to pierce, to stab[1]

Related terms edit

(Nouns)

References edit

  1. ^ Armstrong, Lilias E. (1940). The Phonetic and Tonal Structure of Kikuyu, p. 360. Rep. 1967. (Also in 2018 by Routledge).

Latin edit

Etymology edit

Borrowed from Ancient Greek θήκη (thḗkē, a case, box, receptacle), from τίθημι (títhēmi, put, set, place).

Pronunciation edit

Noun edit

thēca f (genitive thēcae); first declension

  1. a case, envelope, sheath

Declension edit

First-declension noun.

Case Singular Plural
Nominative thēca thēcae
Genitive thēcae thēcārum
Dative thēcae thēcīs
Accusative thēcam thēcās
Ablative thēcā thēcīs
Vocative thēca thēcae

Descendants edit

See also edit

References edit