theca
the·ca
noun \ˈthē-kə\ plural the·cae \ˈthē-ˌsē, -ˌkē\
Definition of THECA
: an enveloping sheath or case of an animal or animal part
— the·cal \ˈthē-kəl\ adjective
Origin of THECA
New Latin, from Greek thēkē case — more at tick
First Known Use: circa 1666
the·ca
noun \ˈthē-kə\ (Medical Dictionary)plural ; the·cae \ˈthē-ˌsē, -ˌkē\ (audio pronunciation) (audio pronunciation)
Medical Definition of THECA
: an enveloping case or sheath (as the theca folliculi) of an anatomical part
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