The Gastrointestinal System - function, diseases and information

The Gastrointestinal System: Latest News

Abdominal Distention - definition and causes - pain and pregnancy

The Gastrointestinal System |

Causes of Abdominal Distention and Definition Abdominal Distention - swelling of the abdomen, sometimes referred to as bloating. Doctors evaluate abdominal distention as a clinical indicator for a wide range of health conditions. The most common cause of transitory abdominal distention is excessive intestinal gas resulting from eating too fast, which results in swallowing of air along with the food. The BACTERIA in the COLON that ferment high-fiber

Abdominal Pain - causes and definition

The Gastrointestinal System |

Abdominal Pain is discomfort in the trunk region that can range from mild cramping to severe PAIN. Abdominal pain requires emergency medical attention when: PAIN is sudden, sharp, and unrelenting Pain radiates into the shoulder or jaw The abdomen is tense and tender to the touch There is bloody VOMITING or DIARRHEA

Achalasia - definition and symptoms

The Gastrointestinal System |

Achalasia is a disorder of the ESOPHAGUS in which the lower esophageal sphincter, the ring of MUSCLE at the entry to the STOMACH, remains constricted, failing to allow food to pass into the stomach. Researchers believe the cause is a reduced number of inhibitory nerve cells, the specialized neurons that direct involuntary muscle tissue to relax. The resulting imbalance allows excitory NERVE cells (neurons that direct involuntary MUSCLE tissue to contract)

Aging, Gastrointestinal Changes That Occur With

The Gastrointestinal System |

The organs and structures of the gastrointestinal system undergo numerous changes as an individual grows older. At birth, the infant’s MOUTH supports sucking and swallowing liquid nourishment. With the eruption of TEETH and the elongation of the head, developmental changes that occur in early childhood, the oral cavity shifts to support chewing and swallowing solid foods. By three years of age most children in the United States are eating fully

Anal Atresia - definition

The Gastrointestinal System |

Anal Atresia is a CONGENITAL ANOMALY, also called imperforate ANUS, in which the anal opening that allows the elimination of feces is missing or misplaced. Diagnosis typically takes place within 24 to 48 hours following birth, with the passage of, or failure to have, the first BOWEL MOVEMENT. Complete anal atresia requires immediate surgery to create a means for the body to pass stool; often the surgeon creates a temporary COLOSTOMY (opening from the

Anal Fissure - causes, symptoms and treatment

The Gastrointestinal System |

Causes of Anal Fissure and Symptoms Anal Fissure - small tears in the tissue around the ANUS. Anal fissures can be internal or external. They typically are painful and may bleed with bowel movements, resulting in small amounts of bright red BLOOD on the toilet tissue or in the toilet bowl. The most common cause of anal fissure is CONSTIPATION, in which the bowel movement is hard and often forced. PAIN can be intense with bowel movements. The doctor can

Antacids - medications - information and side effects

The Gastrointestinal System |

Antacids are products that neutralize gastric (STOMACH) acid to relieve DYSPEPSIA (heartburn and indigestion). Antacids work by increasing the pH (acid level) of the gastric juices, which reduces the irritation to the stomach tissues. Most antacids contain mineral salts, which are alkaline. Because of their high salt and mineral content, many antacids can cause CONSTIPATION or DIARRHEA by drawing excessive fluid from the gastrointestinal tract. Sodium

Antidiarrheal Medications - drugs - information and complications

The Gastrointestinal System |

Antidiarrheal Medications - medications that relieve DIARRHEA. Antidiarrheal medications work by slowing the activity of the gastrointestinal tract or by absorbing more fluid in the COLON (large intestine). Though diarrhea is unpleasant, doctors recommend letting the body restore its balance without medications in most circumstances of acute diarrhea. Acute diarrhea (diarrhea that comes on suddenly) may result from simple gastrointestinal upset following

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