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Gastric Mill Mechanisms

Chapter

Abstract

The crustacean stomach contains three teeth in the form of chitinous ossicles (Mocquard 1883, Patwardhan 1935, Schaefer 1970; Yonge 1924). D.M. Maynard (1966) recognized the fact that these teeth were controlled by neurons in the stomatogastric ganglion and could show by means of combined myographic and cinematic studies that their movements were quite complex (Hartline and D.M. Maynard 1975). Since the muscles producing the movements were striated and required nerve impulses to be activated, this system might serve as a model for studying how complex motor patterns were produced. In addition, the demonstration that the gastric mill motor pattern could be generated by the de-afferented stomatogastric ganglion meant that this system was also a perfect model for the study of central pattern generators.

Keywords

Tooth Movement Plateau Potential Lateral Tooth Gastric Mill Medial Tooth 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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© Springer-Verlag Berlin Heidelberg 1987

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