microspore f
51auxospores — Spore Spore (sp[=o]r), n. [Gr. ? a sowing, seed, from ? to sow. Cf. {Sperm}.] 1. (Bot.) (a) One of the minute grains in flowerless plants, which are analogous to seeds, as serving to reproduce the species. [1913 Webster] Note: Spores are produced …
52Panerogamia — Spermatophyta Sper ma*toph y*ta, n. pl. [NL.; spermato + Gr. ? plant.] (Bot.) A phylum embracing the highest plants, or those that produce seeds; the seed plants, or flowering plants. They form the most numerous group, including over 120,000… …
53Phaenogamia — Spermatophyta Sper ma*toph y*ta, n. pl. [NL.; spermato + Gr. ? plant.] (Bot.) A phylum embracing the highest plants, or those that produce seeds; the seed plants, or flowering plants. They form the most numerous group, including over 120,000… …
54pollen tube — Spermatophyta Sper ma*toph y*ta, n. pl. [NL.; spermato + Gr. ? plant.] (Bot.) A phylum embracing the highest plants, or those that produce seeds; the seed plants, or flowering plants. They form the most numerous group, including over 120,000… …
55Spermatophyta — Sper ma*toph y*ta, n. pl. [NL.; spermato + Gr. ? plant.] (Bot.) A phylum embracing the highest plants, or those that produce seeds; the seed plants, or flowering plants. They form the most numerous group, including over 120,000 species. In… …
56Spore — (sp[=o]r), n. [Gr. ? a sowing, seed, from ? to sow. Cf. {Sperm}.] 1. (Bot.) (a) One of the minute grains in flowerless plants, which are analogous to seeds, as serving to reproduce the species. [1913 Webster] Note: Spores are produced differently …
57Spore formation — Spore Spore (sp[=o]r), n. [Gr. ? a sowing, seed, from ? to sow. Cf. {Sperm}.] 1. (Bot.) (a) One of the minute grains in flowerless plants, which are analogous to seeds, as serving to reproduce the species. [1913 Webster] Note: Spores are produced …
58megaspore — noun Etymology: International Scientific Vocabulary Date: 1857 a spore in heterosporous plants giving rise to female gametophytes and usually larger than a microspore • megasporic adjective …
59microsporocyte — noun Date: 1906 a microspore mother cell …
60tube nucleus — noun Date: 1939 the one of the two nuclei formed by mitotic division of a microspore during the formation of a pollen grain that is held to control subsequent growth of the pollen tube and that does not divide again compare generative nucleus …