spore sac

Thesaurus

Noun

1.

spore sac - organ containing or producing sporessporangium, spore casereproductive structure - the parts of a plant involved in its reproductionmacrosporangium, megasporangium - a plant structure that produces megasporesmicrosporangium - a plant structure that produces microsporeseusporangium - a sporangium that arises from a group of epidermal cellsleptosporangium - a sporangium formed from a single epidermal cell; characteristic of the Filicales or of almost all modern fernstetrasporangium - a sporangium containing four asexual spores