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System – Digestive

Disorders of the digestive system cause damage to tissues and/or dysfunction of the organs that make up the digestive system: the mouth including salivary glands, esophagus, stomach, small intestine, large intestine, sigmoid colon, rectum and anus. Organs that help with digestion but are not part of the digestive tract are the pancreas, liver, and gallbladder.

Cheilosis (Cracks in corners of mouth)

What Is Cheilosis? Cheilosis is a painful feature of nutritional deficiencies, especially riboflavin and/or pyridoxine deficiency, and less frequently, from vitamin B12, folic acid, and iron. It is characterized by redness of the lips with cracking and weeping in the ...

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Cirrhosis, Primary Biliary

What Is Primary Biliary Cirrhosis? Primary biliary cirrhosis (PBC) is a biliary tract disease characterized by chronic cholestasis (build-up of bile) and gradual destruction of bile ducts within the liver, called intrahepatic bile ducts, caused by chronic inflammation. Primary biliary ...

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Colitis, Lymphocytic

What Is Lymphocytic Colitis? Lymphocytic colitis is a microscopic inflammation of the large intestinal mucosa with infiltration of lymphocytes (IELs)  that is characterized by non-bloody secretory diarrhea. Secretory diarrhea describes bowel movements that consist of a large volume of liquid ...

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Colitis, Ulcerative

What Is Ulcerative Colitis? Ulcerative colitis is an inflammatory disorder of the colon characterized by continuous inflammation of the mucosa and submucosa usually with small ulcers, extending from the rectum and typically involving the distal colon, rectum, and anus and ...

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Colitis, Collagenous

What Is Collagenous Colitis? Collagenous colitis is a disease of the large intestine (colon) that is characterized by microscopic inflammation of the surface mucosal lining and an abnormally thickened collagen band of tissue that develops wthin the lining of the colon. ...

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Constipation Alternating with Diarrhea

What Is Chronic Constipation Alternating With Diarrhea? Chronic constipation alternating with diarrhea is an intestinal motility disorder, or irregularity, characterized by alteration in stool formation, consistency, and evacuation which results in a bowel movement that consists of some hard or balled ...

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Constipation, Chronic

What Is Chronic Constipation? Chronic constipation is an intestinal motility disorder characterized by abnormal stool formation, consistency, and evacuation. Motility disorder means the normal rhythmic movement of intestinal muscles, called peristalsis, that moves food matter through the gut is hampered ...

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Crohn’s Disease

What Is Crohn’s Disease? Crohn’s disease is an inflammatory bowel disease characterized by patchy inflamed areas involving the full thickness of the intestinal wall that can occur anywhere in the intestinal tract, in addition to, mucosal disease. In Crohn’s disease ...

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Cystic Fibrosis 

What Is Cystic Fibrosis? Cystic fibrosis is a genetic disease of the exocrine glands which causes the body to produce abnormally thick and sticky mucus and results in progressive damage to the respiratory system and digestive problems. Severity of disease depends ...

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Dental Enamel Defects (Defective Tooth Enamel)

What Are Dental Enamel Defects? Dental enamel defects (DED) comprise a variety of abnormalities in the dental enamel of the second or permanent teeth and of primary or baby teeth. Teeth may appear with pits, thin or missing enamel, non-white enamel (yellow, ...

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Diarrhea, Chronic

chronic diarrhea gluten celiac disease symptom

What Is Chronic Diarrhea? Chronic diarrhea is an intestinal motility disorder characterized by 1) alteration in stool formation causing loose to fluid movements and quantity of movements with or without abdominal pain and 2) interference with normal carbohydrate salvage by ...

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Diarrhea, Acute

What Is Acute Diarrhea? Acute diarrhea is a small intestinal motility disorder characterized by excessively rapid movement of intestinal contents through the small intestine with excessive loss of fluid and electrolytes that leads rapidly to a life threatening hypokalemia (low ...

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Dysbiosis (Intestinal)

What Is Intestinal Dysbiosis? Intestinal dysbiosis is an imbalance of the composition and quantity of microbe populations (called the microbiota), that naturally inhabit our human gut. Dysbiosis causes altered gut immunity, abnormal fermentation of undigested foodstuffs, and impaired production within the ...

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Dysphagia (Difficulty Swallowing)

dysphagia difficulty swallowing gluten celiac disease symptom

What Is Dysphagia? Dysphagia is a functional upper digestive disorder characterized by difficulty in swallowing or food getting stuck and swallowing that takes longer than 10 seconds to complete. Q: What determines the symptoms? A: Symptoms depend on the location ...

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Edema of the Small Intestine

What Is Small Intestinal Edema? Small intestinal edema is characterized by fluid accumulation within the intestinal mucosa so that the intestinal wall appears thick and swollen. Intestinal edema hampers peristalsis that can result in pain and gas build-up. Peristalsis is ...

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