Computer Modeling of Microscopic Features of Molluscan Shells

Takao Ubukata ()
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Takao Ubukata: Shizuoka University, Institute of Geosciences

Chapter 30 in Morphogenesis and Pattern Formation in Biological Systems, 2003, pp 355-367 from Springer

Abstract: Summary Computer modeling of growth of biominerals and microgrowth increments of the bivalve shell helps us understand the rules or algorithms that lead to the formation of the geometric pattern of the microscopic features of the shell. Computer models of elongation of aggregated minerals on the radial shell section or outer shell surface indicate that the direction of crystal elongation relative to growth rings depends on the rate of crystal growth and its anisotropy. Computer models of crystal expansion on the outer shell surface and comparison of the models with biometric analyses reveal a close relationship between growth rate of crystals or the entire shell and microscopic morphologies such as size, shape and distribution of nucleation sites of aggregated crystals. An analysis of internal microgrowth pattern and its relation to topography of the outer shell surface using computer modeling allows us to reconstruct successive behaviors of mantle when it is secreted from mantle.

Keywords: Bivalvia; computer modeling; microgrowth increments; shell microstructure (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-4-431-65958-7_30

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DOI: 10.1007/978-4-431-65958-7_30

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