sporangium microsporangium 2010-12-09T04:05:41Z A sporangium (PO:0025094) in which microspores (PO:0020048) are produced. PO:0025202 PO_GIT:254 macrosporangia (related) macrosporangium (related) megasporangia (exact, plural) microsporangia (exact, plural) microsporangio (Spanish, exact) plant_anatomy rwalls 小胞子嚢 (Japanese, exact)