Answer: theca

AnswerCrossword Clue
THECASpore case.
THECAPlant capsule
THECASpore case
THECAReceptacle
thecacase or sheath enclosing an organ, structure, etc., as the horny covering of an insect pupa
thecaan enveloping sheath or case of an animal or animal part
thecaa protective anatomical covering
thecacase or receptacle
thecaa. sac, cell, or capsule b. sporangium