Peptidergic regulation of digestion in crickets

The digestive tract of insects is innervated by the stomatogastric nervous system and consists of four sections: mouthparts, foregut, midgut and hindgut.  Ingested food is passed between these sections by contractions of gut musculature, but how this is regulated is poorly understood.  The passage of food may be a) neurally regulated by the stomatogastric nervous system which innervates the fore and midgut, 2) regulated entirely by endocrine signalling or 3) a combination of the two processes.


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