Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.3/1352
Título: The connective tissue index of Helix aspersa as a metal biomarker
Autor: Amaral, André
Anselmo, Henrique
Cunha, Regina Tristão da
Rodrigues, Armindo
Palavras-chave: Helix aspersa
Digestive Gland
Connective Tissue
Copper
Iron
Data: Nov-2004
Editora: Springer
Citação: "BioMetals". ISSN 1572-8773. Volume 17, Number 6, November 2004, pp. 625-629(5).
Resumo: The digestive gland of adult land snails, Helix aspersa, sampled from four different sites in São Miguel island (Azores) was submitted to chemical analyses, autometallography and haemalum/eosin staining, in order to quantify the relative abundance of heavy metals, calcium cells and connective tissue cells. Metals were visualized, through light microscopy, as black silver deposits mostly in the connective tissue cells. Metal levels, essentially of Cu and Fe, were related to the relative volumetric density of connective tissue cells but not to the relative volumetric density of calcium cells from the digestive gland epithelium. Thus, the connective tissue index presented herein is suggested as a biomarker of Cu exposure in terrestrial mollusks.
Descrição: Copyright © 2004, Springer Netherlands.
Peer review: yes
URI: http://hdl.handle.net/10400.3/1352
ISSN: 1572-8773
Versão do Editor: http://dx.doi.org/10.1007/s10534-004-1227-7
Aparece nas colecções:DBIO - Artigos em Revistas Internacionais / Articles in International Journals

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