| 释义 |
auxospore Bot.|ˈɔːksəʊspɔː(r)|
[f. Gr. αὔξ-ειν to increase + -o + σπόρος, σπορά spore.]
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.
1884Masters & Bennett Henfrey's Elem. Bot. (ed. 4) 425 The individuals must..constantly diminish in size, until the original size is restored by the production of auxospores. 1888Encycl. Brit. XXIV. 126/2 Diatomaceæ... Reproduction, vegetative by division or by means of asexually-produced spores (auxospores). 1904G. S. West Brit. Fresh-water 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. |