Journal
PAIN
Volume 141, Issue 3, Pages 191-209Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1016/j.pain.2008.12.011
Keywords
Visceral pain; Gastrointestinal pain; Nociception; Visceral hypersensitivity; Sensitisation
Categories
Funding
- Medical Research Council Funding Source: Medline
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The gastrointestinal (GI) tract is a system of organs within multicellular animals which facilitates the ingestion, digestion, and absorption of food with subsequent defecation of waste. A complex arrangement of nerves and ancillary cells contributes to the sensorimotor apparatus required to subserve such essential functions that are with the exception of the extreme upper and lower ends of the GI tract normally subconscious. However, it also has the potential to provide conscious awareness of injury. Although this function can be protective, when dysregulated, particularly on a chronic basis, the same system can lead to considerable morbidity. The anatomical and molecular basis of gastrointestinal nociception, conditions associated with chronic unexplained visceral pain, and developments in treatment are presented in this review. (C) 2008 International Association for the Study of Pain. Published by Elsevier B.V. All rights reserved.
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