Associations to the word «Theca»

Wiktionary

THECA, noun. (biology) Any external case or sheath.
THECA, noun. (botany) The pollen producing organ usually found in pairs and forming an anther.
THECA, noun. (medicine) The twin layers of cells surrounding the basal lamina of an ovarian follicle
THECA, noun. (microbiology) (planktology) The membrane complex enveloping the cells of certain plankton including diatoms and dinoflagellates
THECA, noun. (coral science) The calcareous wall of a corallite, the exoskeleton of a coral polyp

Dictionary definition

THECA, noun. A case or sheath especially a pollen sac or moss capsule.
THECA, noun. Outer sheath of the pupa of certain insects.

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.