auxosporen.
/ˈɔːksəʊspɔː/ Botany.
A spore formed in diatoms by the union of two cells or by the excessive growth of an individual cell. Also, the resting-spore of the diatoms.
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frustule1857
auxospore1884
hoop1884
vitta1888
testule1891
1884 M. T. Masters & A. W. Bennett Henfrey's Bot. (ed. 4) 425 The individuals must..constantly diminish in size, until the original size is restored by the production of auxospores.
1888 Encycl. Brit. XXIV. 126/2 Diatomaceæ... Reproduction, vegetative by division or by means of asexually-produced spores (auxospores).
1904 G. S. West Treat. Brit. Freshwater Algæ 269 A normal auxospore can be regarded as one produced by the conjugation of two cells (or gametes), those produced without conjugation being parthenogenetic.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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