procuticlen.

Brit.

/prəʊˈkjuːtᵻkl/, U.S.

/proʊˈkjudək(ə)l/

Origin: Formed within English, by derivation. Etymons: pro- prefix², cuticle n.

Etymology: < pro- prefix² + cuticle n.

Zoology.

The inner, thicker layer of the cuticle of an arthropod, formed from chitin and protein, situated below the epicuticle and comprising the exocuticle (where present) and the endocuticle.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > [noun] > member of > parts of > inner or thicker layer of cuticle

procuticle1951

1951 A. G. Richards Integument of Arthropods xvi. 148 The term procuticle is proposed for the embryologically original (parent) chitin–protein fraction.

1976 C. P. Friedlander Biol. Insects i. 16 When first secreted the entire procuticle is in the endocuticle condition; subsequently a large proportion of it is hardened..to form the exocuticle.

2002 Biol. Bull. 202 61/2 In decapod crustaceans, the solid cuticle of sclerites is composed of an outer thin epicuticle and three fibrous composite layers forming the procuticle.

This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	procuticle
释义	procuticlen. Brit. /prəʊˈkjuːtᵻkl/, U.S. /proʊˈkjudək(ə)l/ Origin: Formed within English, by derivation. Etymons: pro- prefix², cuticle n. Etymology: < pro- prefix² + cuticle n. Zoology. The inner, thicker layer of the cuticle of an arthropod, formed from chitin and protein, situated below the epicuticle and comprising the exocuticle (where present) and the endocuticle. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > [noun] > member of > parts of > inner or thicker layer of cuticle procuticle1951 1951 A. G. Richards Integument of Arthropods xvi. 148 The term procuticle is proposed for the embryologically original (parent) chitin–protein fraction. 1976 C. P. Friedlander Biol. Insects i. 16 When first secreted the entire procuticle is in the endocuticle condition; subsequently a large proportion of it is hardened..to form the exocuticle. 2002 Biol. Bull. 202 61/2 In decapod crustaceans, the solid cuticle of sclerites is composed of an outer thin epicuticle and three fibrous composite layers forming the procuticle. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1951
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