Mental or Behavioral Dysfunction
rumination disorder
ru·mi·na·tion dis·or·der
Subclass of:
Feeding and Eating Disorders;
Gastrointestinal Diseases
Definitions related to rumination disorders:
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(rumination) Unintentional and reflexive regurgitation and rechewing of undigested food.NICHD Pediatric TerminologyU.S. National Cancer Institute, 2021
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(rumination syndrome) A gastrointestinal disorder characterized by repetitive and effortless regurgitation of ingested food from the stomach to the oral cavity in the early POSTPRANDIAL PERIOD. It is associated with functional gastrointestinal pathology (e.g., increased intra-gastric pressure) and psychiatric disorders (e.g., anxiety, depression). It is not limited to infants and distinct from GERD and VOMITING.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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An eating disorder most commonly observed in infants characterized by the repeated regurgitation and rechewing of food for a period of at least one month; this behavior is not associated with a gastrointestinal or other medical reason.NCI ThesaurusU.S. National Cancer Institute, 2021
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Rumination is repeated regurgitation of food after eating; the regurgitation does not involve nausea or retching and may be voluntary.Merck & Co., Inc., 2020
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Rumination disorder is the backward flow of recently eaten food from the stomach to the mouth. The food is then re-chewed and swallowed or spat out. A non-purposeful contraction of stomach muscles is involved in rumination. It may be initially triggered by a viral illness, emotional distress, or physical injury. In many cases, no...National Center for Advancing Translational Sciences
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