Tissue Regeneration in the Shell of the Giant Queen Conch, Strombus gigas

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• 作者：Xiao-Wei Su ; Dong-Mei Zhang ; and A. H. Heuer
• 刊名：Chemistry of Materials
• 出版年：2004
• 出版时间：February 24, 2004
• 年：2004
• 卷：16
• 期：4
• 页码：581 - 593
• 全文大小：1898K
• 年卷期：v.16,no.4(February 24, 2004)
• ISSN：1520-5002

文摘

The crossed-lamellar microarchitecture (microstructure) of the shell of Strombus gigas,the giant Queen conch native to Caribbean habitats, is the most common of the severalshell microarchitectures known in the mollusk family. We have studied tissue regenerationin juvenile S. gigas conchs and compared the microstructure in this regenerated tissue tothe microstructure of wild S. gigas shells. The regenerated hard tissue was of two types:hard tissue grown during wound repair, and so-called "flat pearls" which are hard tissuegrown on abiotic substrates inserted between the mantle and the outer covering. In bothcases, the crossed-lamellar microstructure is observed after formation of a transition structureconsisting of a large quantity of matrix and aggregates of aragonite crystallites.