spore sac(n = noun.plant) sporangium, spore case - organ containing or producing spores;
is a kind of reproductive structure
has particulars: macrosporangium, megasporangium, microsporangium, eusporangium, leptosporangium, tetrasporangium

air sac, amniotic sac, brand spore, cul de sac, embryo sac, greater peritoneal sac, lacrimal sac, pericardial sac, sac, sac fungus, spore, spore case, spore mother cell, tear sac, vitelline sac, yolk sac