part_of part of part of microgametophyte spermatogenous cell In liverworts, hornworts and mosses the spermatogenous cell gives rise to a single, biflagellated, antheridium sperm cell (PO:0025120). In angiosperms please use the generative cell (PO:0020097) and in gymnosperms use the body cell (PO:0025526). Laurel_Cooper PO:0025525 PO_GIT:474 plant_anatomy A native plant cell (PO:0025606) that gives rise to one or more plant sperm cells (PO:0000084). 2012-12-10T14:06:15Z native plant cell