Reference : Ultrastructural analysis of the integument during the moult cycle in Ligia italica (C...
Scientific journals : Article
Life sciences : Zoology
http://hdl.handle.net/2268/185675
Ultrastructural analysis of the integument during the moult cycle in Ligia italica (Crustacea, Isopoda)
English
Strus, Jasna [University of Ljubljana, Slovenia > Biology > > >]
Compère, Philippe mailto [Université de Liège > Département de Biologie, Ecologie et Evolution > Département de Biologie, Ecologie et Evolution >]
1996
Pflügers Archiv : European Journal of Physiology
Springer Science & Business Media B.V.
43
R251-R252
Yes (verified by ORBi)
International
0031-6768
1432-2013
[en] Crustacea ; Isopoda ; integument ; cuticle ; moult ; mineralization
[en] The formation of the cuticle was investigated during moulting of the isopod crustacean Ligia italica. The intermoult cuticle is a four-layered lamellar structure composed of chitin-protein fibrils and mineralized in its upper half. The distribution of calcium carbonate in cuticle during moult cycle was determined by cytochemical methods and X-ray microanalysis, Epi-and exocuticle are secreted during premoult. Calcium is resorbed from the old cuticle and accumulates in the ecdysal gap as calcium granules. Endocuticle is secreted after moult when the mineralization of exocuticle starts. The shape and ultrastructure of epithelial cells change during cuticle secretion and mineralization. Mitochondria, bundles of filaments, calcium granules and large amounts of glycogen accumulate in the apical cytoplasm of cells in premoult animals.
http://hdl.handle.net/2268/185675
10.1007/BF02346363

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