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单词 trichocyst
释义

> as lemmas

trichocyst
trichocyst n.
Brit. /ˈtrɪkə(ʊ)sɪst/
,
/ˈtrʌɪkə(ʊ)sɪst/
,
U.S. /ˈtrɪkəˌsɪst/
Zoology one of a number of minute rod-like bodies, each containing a coiled protrusible filament, found in the cuticle of many Infusoria, resembling the thread-cells of cœlenterates.
ΘΚΠ
the world > animals > invertebrates > protozoa > class Infusoria > [noun] > member of > parts of > rod-like body in cuticle
trichocyst1859
1859 J. R. Greene Man. Animal Kingdom I. 66 In the cortical layer of Bursaria, certain peculiar fusiform bodies or ‘trichocysts’ have been detected, and from these Prof. Allman states that he has observed the emission of minute filaments [resembling] the urticating organs of the fresh-water polype.
1880–1 W. Saville-Kent Man. Infusoria I. 249 A sheaf-shaped fascicle of rod-like trichocysts.
extracted from tricho-comb. form1
<
as lemmas
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