tet·ra·spore

(tĕt′rə-spôr′)

One of four spores produced from a tetrasporangium.

tet′ra·spor′ic (-spôr′ĭk, -spŏr′-) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tetraspore

(ˈtɛtrəˌspɔː)

(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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

tetraspore - one of the four asexual spores produced within a sporangium

spore - 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"

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References in periodicals archive

Moreover, pollen mother cells of sterile plants went into abnormal meiosis in which tetraspore, trispore, bispore, and even paraspore were formed.

Cytological Studies of Anther Development of the Double Recessive Genetic Male Sterile Line, ms5ms6, of Upland Cotton (Gossypium hirsutum)

The cytology of the tetrasporangium and the germinating tetraspore. Annals of Botany 18: 141-160.

Homologous versus antithetic alternation of generations and the origin of sporophytes

If an optimum tetraspore release of 1.7 x [10.sup.5] spores x [g.sup.-1] and survival (85%) was achieved (Oza & Tewari 1994, Umamaheswara Rao 1976), only 59 kg of fertile tetrasporic thalli would be required.

Three algal propagation methods assessed to create a rhodophyta diet for juvenile Greenlip Abalone (Haliotis laevigata) in the later nursery phase

Kjellman (1883:158) distinguished Polyides (as Polyides rotundus (Huds.) Greville) from Furcellaria by the character of its tetraspores and cites the northernmost occurrence of F.

The Boulder Patch (North Alaska, Beaufort Sea) and its benthic algal flora

pistillata is the type of species of the Gigartina genus [40, 41]; despite possessing an isomorphic triphasic lifecycle [42], it shows heterosporic thalli (i.e., producing both tetraspores and carpospores) [43, 44], which were found in all studied samples.

Population studies and carrageenan properties in eight Gigartinales (Rhodophyta) from western coast of Portugal

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