tetrasporangium

(te′trə spō ran′jē əm)

Bot. a sporangium containing four haploid spores

See tetrasporangium in American Heritage Dictionary 4

noun pl. tet·ra·spo·ran·gi·a (-jē-ə)

A unicellular sporangium found in certain red algae in which four tetraspores are produced from meiosis.

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