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Theta vs Theca - What's the difference?

theta | theca |

As nouns the difference between theta and theca

is that theta is while theca is (biology) any external case or sheath.

theta

English

Noun

(en noun)
  • the name for the eighth letter ?f the Modern Greek alphabet, ninth in Old Greek.
  • (mathematics) The measure of an angle.
  • Derived terms

    * theta wave ----

    theca

    English

    Noun

    (en-noun)
  • (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
  • Derived terms

    {{der3, thecal , thecate , thecoma , epitheca , ootheca , gnathotheca , hypotheca , spermatheca , theca externa , theca interna , theca folliculi}}

    Anagrams

    * * * ----