theca
Noun
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Noun
theca (plural thecas)
- (biology) Any external case or sheath.
- (botany) The pollen-producing organ usually found in pairs and forming an anther.
- (medicine) The twin layers of cells surrounding the basal lamina of an ovarian follicle.
- (microbiology, planktology) The membrane complex enveloping the cells of certain plankton including diatoms and dinoflagellates.
- (coral science) The calcareous wall of a corallite, the exoskeleton of a coral polyp.
- (Christianity) A case for the corporal cloth used in the Eucharist.
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003