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单词 tetraspore
释义

tetraspore


tet·ra·spore

T0133300 (tĕt′rə-spôr′)n. One of four spores produced from a tetrasporangium.
tet′ra·spor′ic (-spôr′ĭk, -spŏr′-) adj.

tetraspore

(ˈtɛtrəˌspɔː) n (Biology) any of the asexual spores that are produced in groups of four in the sporangium (tetrasporangium) of any of the red algae tetrasporic, tetrasporous adj

tet•ra•spore

(ˈtɛ trəˌspɔr, -ˌspoʊr)

n. any of the four asexual spores produced by meiosis in red algae. [1855–60] tet`ra•spor′ic (-ˈspɔr ɪk, -ˈspɒr-) tet•ra•spor•ous (ˌtɛ trəˈspɔr əs, -ˈspoʊr-, tɪˈtræs pər-) adj.
Thesaurus
Noun1.tetraspore - one of the four asexual spores produced within a sporangiumspore - a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion; "a sexual spore is formed after the fusion of gametes"

Tetraspore


tetraspore

[′te·trə‚spȯr] (botany) One of the haploid asexual spores of the red algae formed in groups of four.

Tetraspore

 

an asexual spore characteristic of red algae and some brown algae (Dictyotales). Tetraspores are formed in groups of four in a tetrasporangium as a result of the meiosis of the nucleus. They arrange themselves in the shape of a tetrahedron or sometimes in the shape of a square or in a single line. Tetraspores lack organs of locomotion. After the spores settle, the thin sheath that encases them thickens and the spores germinate.

tetraspore


tetraspore

the product of MEIOSIS in many red and brown algae, being produced in fours in testrasporangia and forming the first cells of the GAMETOPHYTE generation.

tetraspore


  • noun

Words related to tetraspore

noun one of the four asexual spores produced within a sporangium

Related Words

  • spore
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更新时间:2025/1/31 21:53:25