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Shell repair process in the green ormer Haliotis tuberculata: A histological and microstructural study ArchiMer
Fleury, C; Marin, F; Marie, B; Luquet, G; Thomas, J; Josse, C; Serpentini, A; Lebel, J.
In the present paper, juvenile and adult shells of the green ormer Haliotis tuberculata ('Oreille de Saint-Pierre') were perforated in a zone close to the shell edge and the shell repair process was followed at two levels: (1) by observing the histology of the calcifying mantle in the repair zone and (2) by analyzing with SEM the microstructure of the shell repair zone. Histological data clearly show the presence of calcium carbonate granules into the connective tissues, but not in the epithelial cells. This suggests that calcium carbonate granules are synthesized by sub-epithelial cells and actively transported through the epithelium to the repair zone, via a process which may be similar to that described by Mount et al. [Mount, A.S., Wheeler, A.P.,...
Tipo: Text Palavras-chave: Microstructure; Mantle epithelium; Biomineralization; Calcium carbonate; Shell repair; Gastropod.
Ano: 2008 URL: https://archimer.ifremer.fr/doc/2008/publication-4377.pdf
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Shell repair in the freshwater gastropod Bithynia tentaculata (Linnaeus, 1758) Naturalis
Cadée, Gerhard C..
A large sample rich in empty Bithynia tentaculata (Linnaeus, 1758) was collected in a drift-line along Lake IJssel, The Netherlands. Of 400 adult Bithynia shells 62 (15.5%) showed repair of a damaged outer lip, most probably due to failed attacks by predators. The roach Rutilus rutilus (Linnaeus, 1758) was probably its main shell-crushing predator here. However, repair after physical damage by waves breaking on the stones of the dike cannot be excluded completely.
Tipo: Article / Letter to the editor Palavras-chave: Freshwater gastropods; Bithynia tentaculata; Predation; Shell repair; The Netherlands; Lake IJssel.
Ano: 2015 URL: http://www.repository.naturalis.nl/record/588031
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