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Cell differentiation --- Developmental biology --- Pattern formation (Biology) --- Simulation methods --- Simulation methods.

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The pigment patterns on tropieal shells are of great beauty and diversity. They fas­ cinate by their mixture of regularity and irregularity. A partieular pattern seems to follow partieular mIes but these mIes allow variations. No two shells are identical. The motionless patterns appear to be static, and, indeed, they consist of calcified material. However, as will be shown in this book, the underlying mechanism that gene rates this beauty is eminently dynamic. It has much in common with other dynamie systems that generate patterns, such as a wind-sand system that forms large dunes, or rain and erosion that form complex ramified river systems. On other shells the underlying mechanism has much in common with waves such as those commonly observed in the spread of an epidemie. A mollusc can enlarge its shell only at the shell margin. In most cases, only at this margin are new elements of the pigmentation pattern added. Therefore, the shell pattern preserves arecord in time of a process that took place in a narrow zone at the growing edge. A certain point on the shell represents a certain moment in its history. Like a time machine one can go into the past or the future just by turning the shell back and forth. Having this complete historieal record opens the possibility of decoding the generic principles behind this beauty. My interest in these patterns began with a dinner in an Italian restaurant.

Pattern formation (Biology) --- Shells --- Computer simulation. --- Computer simulation --- Shells - Computer simulation. --- Pattern formation (Biology) - Computer simulation. --- Computer graphics. --- Bioinformatics . --- Computational biology . --- Computer Graphics. --- Computer Appl. in Life Sciences. --- Simulation and Modeling. --- Computer modeling --- Computer models --- Modeling, Computer --- Models, Computer --- Simulation, Computer --- Electromechanical analogies --- Mathematical models --- Simulation methods --- Model-integrated computing --- Biology --- Bioinformatics --- Bio-informatics --- Biological informatics --- Information science --- Computational biology --- Systems biology --- Automatic drafting --- Graphic data processing --- Graphics, Computer --- Computer art --- Graphic arts --- Electronic data processing --- Engineering graphics --- Image processing --- Data processing --- Digital techniques

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The patterns on the shells of tropical sea snails are not only compellingly beautiful but also tell a tale of biological development. The decorative patterns are records of their own genesis, which follows laws like those of dune formation or the spread of a flu epidemic. Hans Meinhardt has analyzed the dynamical processes that form these patterns and retraced them faithfully in computer simulations. His book is exciting not only for the astonishing scientific knowledge it reveals but also for its fascinating pictures.

Algorithm. --- Pattern formation (Biology) -- Computer simulation. --- Shells -- Computer simulation. --- Shells --- Pattern formation (Biology) --- Biology --- Zoology --- Health & Biological Sciences --- Invertebrates & Protozoa --- Biology - General --- Computer simulation --- Shells. --- Computer simulation. --- Biological pattern formation --- Conchology --- Sea shells --- Seashell collecting --- Seashells --- Shell collecting --- Life sciences. --- Fine arts. --- Computer graphics. --- Bioinformatics. --- Computational biology. --- Evolutionary biology. --- Zoology. --- Life Sciences. --- Evolutionary Biology. --- Fine Arts. --- Life Sciences, general. --- Computer Appl. in Life Sciences. --- Computer Graphics. --- Animal evolution --- Animals --- Biological evolution --- Darwinism --- Evolutionary biology --- Evolutionary science --- Origin of species --- Evolution --- Biological fitness --- Homoplasy --- Natural selection --- Phylogeny --- Bioinformatics --- Bio-informatics --- Biological informatics --- Information science --- Computational biology --- Systems biology --- Automatic drafting --- Graphic data processing --- Graphics, Computer --- Computer art --- Graphic arts --- Electronic data processing --- Engineering graphics --- Image processing --- Natural history --- Biosciences --- Sciences, Life --- Science --- Data processing --- Digital techniques --- Developmental biology --- Body covering (Anatomy) --- Mollusks --- Conchologists --- Evolution (Biology). --- Data processing. --- Bioinformatics . --- Computational biology . --- Tropen.

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Pattern formation (Biology) --- Shells --- Computer simulation.