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单词 apospory
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apospory


ap·o·spor·y

A0371600 (ăp′ə-spôr′ē, ə-pŏs′pə-rē)n. The development of a gametophyte directly from a sporophyte without the occurrence of meiosis or spore formation.
a·pos′por·ous (ə-pŏs′pər-əs), ap′o·spor′ic (-spôr′ĭk) adj.

apospory

(ˈæpəˌspɔːrɪ) n1. (Botany) botany development of the gametophyte from the sporophyte without the formation of spores2. (Botany) the development of an embryo of a flowering plant outside the embryo sac, from a cell of the nucellus or chalaza[C19: from apo- + spore + -y1]

ap•o•spor•y

(ˈæp əˌspɔr i, -ˌspoʊr i, əˈpɒs pə ri)

n. the development of a gametophyte from a sporophyte without meiosis. [1880–85] ap`o•spor′ic (-ˈspɔr ɪk, -ˈspɒr-) a•pos′por•ous, adj.

apospory


apospory

[′ap·ə‚spȯr·ē] (mycology) Suppression of spore formation with development of the haploid (sexual) generation directly from the diploid (asexual) generation.

apospory


apospory

a situation occurring in some plants where MEIOSIS is omitted and an ordinary diploid SPOROPHYTE cell gives rise to the spore which produces a diploid GAMETOPHYTE.
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更新时间：2024/12/23 3:12:22