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taenidium

noun
tae·​nid·​i·​um | \ -dēəm\
plural taenidia\ -​dēə \

Definition of taenidium

: a spiral sclerotized fiber that stiffens the walls of the tracheae of insects

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History and Etymology for taenidium

New Latin, from Greek tainidion small ribbon, diminutive of tainia

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