obsolete microgametophyte true male gametophyte (exact) PO:0020007 This term was made obsolete because it only applied to angiosperms. Consider new term microgametophyte (PO:0025280) that can apply to all plants. Also consider pollen (PO:0025281) or antheridial microgametophyte (PO:0025283). microgametofito (Spanish, exact) PO_GIT:319 PO_GIT:318 pollen grain (exact) OBSOLETE. A gametophyte that produces pollen sperm cells. PO:0020091 pollen (related) PO:0025281 PO:0025280 PO:0025283 plant_anatomy