| 释义 |
planont Biol.|ˈplænənt|
[f. plano-2 + Gr. ὄντ-: see onto-.]
A motile spore, whether sexual, asexual, or a zygote; esp. the motile stage of certain microsporidian protozoans or phycomycetes.
1914Fantham & Porter Some Minute Anim. Parasites xi. 217 This amœbula [of Nosema apis] gives rise, by division, to daughter forms, each possessing one nucleus and capable of wandering about over the epithelium of the gut. Such forms are called planonts, or wanderers. 1943F. K. Sparrow Aquatic Phycomycetes 406 In A[llomyces] javanicus..the planonts emerging from the resting spores..gave rise upon germination to sexual plants. 1961R. D. Manwell Introd. Protozool. xxiii. 478 At first they [sc. Nosema spores] remain in the gut, but they soon begin to wander and are now called ‘planonts’. |