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Primarily a patient-reported sensation, complaint or symptom rather than a disease entity.

An autosomal dominant porphyria that is due to a deficiency of COPROPORPHYRINOGEN OXIDASE in the LIVER, the sixth enzyme in the 8-enzyme biosynthetic…

A mild form of LIMITED SCLERODERMA, a multi-system disorder. Its features include symptoms of CALCINOSIS; RAYNAUD DISEASE; ESOPHAGEAL MOTILITY DISORD…

A chronic transmural inflammation that may involve any part of the DIGESTIVE TRACT from MOUTH to ANUS, mostly found in the ILEUM, the CECUM, and the …

A nonfamilial polyposis syndrome that is characterized by the presence of diffuse gastrointestinal polyposis, skin hyperpigmentation, ALOPECIA; DIARR…

The label is process-shaped, but the organ-specific concept may also function as a disorder; manual semantic review is required.

Difficulty in SWALLOWING which may result from neuromuscular disorder or mechanical obstruction. Dysphagia is classified into two distinct types: oro…

A congenital abnormality characterized by the elevation of the DIAPHRAGM dome. It is the result of a thinned diaphragmatic muscle and injured PHRENIC…

Primarily a patient-reported sensation, complaint or symptom rather than a disease entity.

DIARRHEA occurring in infants from newborn to 24-months old.

Congenital structural abnormalities of the DIGESTIVE SYSTEM.

Diseases in any part of the GASTROINTESTINAL TRACT or the accessory organs (LIVER; BILIARY TRACT; PANCREAS).

An abnormal passage communicating between any components of the digestive system, or between any part of the digestive system and surrounding organ(s…

Diseases of the DIVERTICULUM often due to infection and/or inflammation (DIVERTICULITIS).

Inflammation of a DIVERTICULUM or diverticula.

Inflammation of the COLONIC DIVERTICULA, generally with abscess formation and subsequent perforation.

A pathological condition characterized by the presence of a number of COLONIC DIVERTICULA in the COLON. Its pathogenesis is multifactorial, including…

A pathological condition characterized by the presence of a number of ESOPHAGEAL DIVERTICULA in the ESOPHAGUS.

A pathological condition characterized by the presence of a number of GASTRIC DIVERTICULA in the STOMACH.

A pouch or sac developed from a tubular or saccular organ, such as the GASTROINTESTINAL TRACT.

A pouch or sac opening from the COLON.

Saccular protrusion beyond the wall of the ESOPHAGUS.

Saccular, outward protrusion of all or a portion of the wall of the STOMACH.

Gastrointestinal symptoms resulting from an absent or nonfunctioning pylorus.

Pathological conditions in the DUODENUM region of the small intestine (INTESTINE, SMALL).

Hindrance of the passage of luminal contents in the DUODENUM. Duodenal obstruction can be partial or complete, and caused by intrinsic or extrinsic f…

A PEPTIC ULCER located in the DUODENUM.

Inflammation of the DUODENUM section of the small intestine (INTESTINE, SMALL). Erosive duodenitis may cause bleeding in the UPPER GI TRACT and PEPTI…

Retrograde flow of duodenal contents (BILE ACIDS; PANCREATIC JUICE) into the STOMACH.

Acute inflammation of the intestine associated with infectious DIARRHEA of various etiologies, generally acquired by eating contaminated food contain…