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单词 histoblast
释义

> as lemmas

histoblast
histoblast n.
Brit. /ˈhɪstə(ʊ)blɑːst/
,
/ˈhɪstə(ʊ)blast/
,
U.S. /ˈhɪstəˌblæst/
[after French histoblaste ( J. Künckel d'Herculais Recherches sur l'organisation et développement des Volucelles (1875) iii. 143); compare German Histoblaston (1880 or earlier)] Entomology an imaginal disc or other group of undifferentiated cells in a larva, (in later use) spec. one involved in the formation of the adult abdomen.
ΚΠ
1881 G. Dimmock Anat. Mouth-parts Diptera 8 The studies of Weismann, Kunckel d'Herculais, and others, upon the histoblasts, or imaginal disks.
1890 B. T. Lowne Anat., Physiol., Morphol., & Devel. Blow-fly I. ii. 23 The nymph is practically a new embryo formed entirely from the imaginal discs and histoblasts of the larva.
1971 Developmental Biol. 26 273/2 Each tergite derives from two dorsal bilateral histoblasts or nests of imaginal cells.
2007 Proc. National Acad. Sci. U.S.A. 104 10488/1 In Drosophila, ectopic JH [= juvenile hormone] blocks only adult differentiation of the abdominal histoblasts, whereas the rest of the adult body that derives from imaginal discs is insensitive to JH.
extracted from histo-comb. form
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as lemmas
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