megaspore Definition

chalazal, megasporangium, macrospore, megagametophyte, microsporogenesis, microsporangium, macrosporangium, sporogenesis, microgametophyte, microsporic, zygospore, reproductive structure, zoosporangium, microspore, sporange, spermospore, sporangium, leptosporangium, oophoridium, zygosperm, sporangiophore, tetraspore, agamete, sporogony, homosporous, spermoblast, gametophyte, embryo sac, oogonium, heterospory, conidiospore, microsporocyte, sporocyte, megasporophyll, conceptacle, angiosporous, thecasporous, ascospore, spermatium, spermo, sphaerospore, gonocyte, sporophyte, antherozoid, spermatid, spermosphere, antheridium, spermatogonium, oosphere, spermatoblast, gametangium, zygosis, ovule, gametophore, carpospore, proembryo, anisogamete, spore, basidiocarp, spermogonium, protonema, exospore, cleistothecium, nucellus, swarmspore, sporopollenin, prothallium, spermatozoid, gamete, zoospore, basidium, oosporangium, zygotene, disporous, zygote, sex cell, phanerogamic, reproductive cell, monembryony, ootid, conidium, zoosperm, pseudovum, monospermy, egg cell, pronucleus, vegetative cell, archegonium, isogamete, gonophore, acrospore, perigonium, orthogamy, tercine, pteridosperm, aecidium, quintine, phanerogam, perisperm, quartine,