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单词 gametophyte
释义

gametophyte

noun

ga·​me·​to·​phyte gə-ˈmē-tə-ˌfīt How to pronounce gametophyte (audio)
: the haploid multicellular individual or generation of a plant or alga with alternation of generations that begins with a haploid spore, produces gametes by mitotic division, and ends with fertilization producing a diploid zygote and that constitutes the visibly dominant form in mosses and algae, exists as an independent plant body in ferns and their relatives, and is reduced to a microscopic or rudimentary state in seed plants compare sporophyte
gametophytic
gə-ˌmē-tə-ˈfi-tik How to pronounce gametophyte (audio)
adjective

Example Sentences

Recent Examples on the Web Nowellia curvifolia (leafy liverwort) gametophyte, berberine stained. Alan Taylor, The Atlantic, 21 Oct. 2014

Word History

Etymology

gameto- + -phyte (after sporophyte)

First Known Use

circa 1889, in the meaning defined above

Medical Definition

gametophyte

noun

ga·​me·​to·​phyte gə-ˈmēt-ə-ˌfīt How to pronounce gametophyte (audio)
: the individual or generation of a plant exhibiting alternation of generations that bears sex organs compare sporophyte
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更新时间:2025/2/3 19:46:20