peritrophicadj.

Brit.

/ˌpɛrᵻˈtrɒfɪk/,

/ˌpɛrᵻˈtrəʊfɪk/, U.S.

/ˌpɛrəˈtrɑfɪk/

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: peri- prefix, trophic adj.

Etymology: < peri- prefix + trophic adj., after French péritrophique (E. G. Balbiani 1890, in Arch. de Zool. Expér. et Gén. 8 32).

Zoology.

Relating to or designating a chitinous tube or membrane that lines the gut of many insects and some crustaceans, and is wrapped around faeces when they are expelled.

ΚΠ

1900 L. C. Miall & A. R. Hammond Struct. & Life Hist. Harlequin Fly ii. 59 The peritrophic membrane has been found in nearly every Dipterous larva examined.

1947 A. D. Imms Outl. Entomol. (ed. 3) ii. 63 In most insects and their larvae the food is separated from the epithelial lining by the peritrophic membrane..which forms a thin, colourless tube projecting backward to extend into the hind-intestine.

1979 Nature 13 Dec. 717/1 Bacteria were observed in the peritrophic space (that is, the space between the peritrophic membrane and the intestinal lining).

2002 Insect Molecular Biol. 11 207 The peritrophic matrix is produced in the midgut of mosquitoes in response to bloodfeeding.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	peritrophic
释义	peritrophicadj. Brit. /ˌpɛrᵻˈtrɒfɪk/, /ˌpɛrᵻˈtrəʊfɪk/, U.S. /ˌpɛrəˈtrɑfɪk/ Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: peri- prefix, trophic adj. Etymology: < peri- prefix + trophic adj., after French péritrophique (E. G. Balbiani 1890, in Arch. de Zool. Expér. et Gén. 8 32). Zoology. Relating to or designating a chitinous tube or membrane that lines the gut of many insects and some crustaceans, and is wrapped around faeces when they are expelled. ΚΠ 1900 L. C. Miall & A. R. Hammond Struct. & Life Hist. Harlequin Fly ii. 59 The peritrophic membrane has been found in nearly every Dipterous larva examined. 1947 A. D. Imms Outl. Entomol. (ed. 3) ii. 63 In most insects and their larvae the food is separated from the epithelial lining by the peritrophic membrane..which forms a thin, colourless tube projecting backward to extend into the hind-intestine. 1979 Nature 13 Dec. 717/1 Bacteria were observed in the peritrophic space (that is, the space between the peritrophic membrane and the intestinal lining). 2002 Insect Molecular Biol. 11 207 The peritrophic matrix is produced in the midgut of mosquitoes in response to bloodfeeding. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < adj.1900
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