| Microsporangium (n.) A sporangium or conceptacle containing only very minute spores. Cf. Macrosporangium. Thesaurus Entries adenovirus, aerobe, aerobic bacteria, amoeba, anaerobe, anaerobic bacteria, bacillus, bacteria, bacterium, basidium, bug, coccus, cystocarp, disease-producing microorganism, echovirus, enterovirus, filterable virus, fungus, germ, gram-negative bacteria, gram-positive bacteria, macrospore, megaspore, microbe, microorganism, microsporangium, microspore, mold, nonfilterable virus, pathogen, picornavirus, planospore, protozoa, protozoon, reovirus, rhinovirus, rickettsia, sorus, spirillum, spirochete, sporangium, sporocarp, sporocyst, sporocyte, sporophore, sporophyte, sporule, staphylococcus, streptococcus, swarm spore, trypanosome, vibrio, virus, zoospore, zygospore |