New Research Approaches Increasing interest in the innervation of the gastrointestinal (GI) tract has led to the emergence of neurogastroenterology, a field that weds classic anatomy and physiology with contemporary neuroscience. The field has roots reaching back to Pavlov's dogs. Today, however, like other biomedical sciences, its researchers take a more molecular approach, tracking the neurons of the gut and the neurotransmitters and neuropeptides that they release.
LANDMARK FINDING: Michael Gerson found seratonin, a transmitter abundant in the brain, to be present in the gut as well.
The newly recognized...
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