amphithecium

noun am·phi·the·ci·um

Definition of amphithecium

plural amphithecia \-ēə\
1 :the external layer of cells surrounding the sporogenous tissue in the sporangium of a moss
2 :the inner layer of the perithecium next to the hymenium in certain lichens

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Origin and Etymology of amphithecium

New Latin, from amphi- + -thecium


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