Article (Scientific journals)
Ultrastructural shape and three-dimensional organization of the intracuticular canal systems in the mineralized cuticule of the green crab Carcinus maenas
Compère, Philippe; Goffinet, Gerhard
1987In Tissue and Cell, 21, p. 839-857
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Keywords :
Crustacea; Decapoda; crab; cuticle; pore canals; ultrastructure
Abstract :
[en] Two main self-contained canal systems are present in the crab mineralized cuticle. The first, or fibre canal system, is constituted by simple, unbranched vertical canals containing axially running fibres in close association with myoepidermal junctions. The second, or pore canal system, is composed of procuticular pore canals and epicuticular channels that prolong the procuticular canals. In opposition to widespread opinion, pore canals make up a three-dimensional branched system extending from the apical plasma membrane of the epidermis up to the epicuticle. Branching occurs by projections of lateral horizontal from the vertical canals at the lower level of the pigmented layer and by innumerable ramifications of epicuticular canals. In agreement with Neville's model for insects, vertical procuticular pore canals of crustacean mineralized cuticle, and also fibre canals, exhibit a twisted ribbon structure reflecting the helicoidal arrangement of the horizontal chitin-protein microfibrils. © 1987.
Disciplines :
Zoology
Author, co-author :
Compère, Philippe ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Département des sciences et gestion de l'environnement
Goffinet, Gerhard ;  Université de Liège - ULiège > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences)
Language :
English
Title :
Ultrastructural shape and three-dimensional organization of the intracuticular canal systems in the mineralized cuticule of the green crab Carcinus maenas
Publication date :
1987
Journal title :
Tissue and Cell
ISSN :
0040-8166
Publisher :
Churchill Livingstone, Inc., Edinburgh, United Kingdom
Volume :
21
Pages :
839-857
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
IF: 1.050; IF 1987: 1.028
Available on ORBi :
since 25 November 2010

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