The enteric nervous system is a collection of neurons in thegastrointestinal tract1 that constitutes the "brain of the gut"and can function independently of the central nervous system.2This system controls the motility,3,4 exocrine and endocrinesecretions,5 and microcirculation6 of the gastrointestinal tract;it is also involved in regulating immune and inflammatory processes.7In the past decade, major advances in the understanding of theenteric nervous system have led to a greater appreciation ofits importance in clinical medicine. In this review we highlightsome of these advances.
Interactions between the Central and the Enteric Nervous Systems
Motor Input from the Central Nervous System
Sensory Output to the Central Nervous System
Targets of Enteric Neurons
Disorders of the Enteric Nervous System
Motility Disorders
Achalasia
Gastric Stasis and Outlet Obstruction
Acute Intestinal Ileus and Chronic Intestinal Pseudo-Obstruction
Megacolon
Generalized Disorders of Motility
Diarrhea Due to Noninvasive Secretagogues
Inflammatory and Immunologically Mediated Bowel Diseases
The Future
Source Information
From the BrocktonWest Roxbury Veterans Affairs Medical Center and Harvard Medical School both in Boston.
Address reprint requests to Dr. Goyal at the Research and Development Service, West Roxbury VA Medical Center, 1400 VFW Pky., West Roxbury, MA 02132.
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