Gastroparesis - Symptoms and causes - Mayo Clinic
网页The vagus nerve helps manage what happens in the digestive tract. This includes telling the muscles in the stomach to contract and push food into the small intestine. A damaged vagus nerve can't send signals to the stomach muscles as it should. This may cause food to stay in the stomach longer.
Gastrointestinal tract - Mayo Clinic
网页Gastrointestinal tract. Products and services. Your digestive tract stretches from your mouth to your anus. It includes the organs necessary to digest food, absorb nutrients and process waste. IMG-20007468. Home. Gastrointestinal tract.
Intestinal gas Causes - Mayo Clinic
网页2023年7月11日 · By Mayo Clinic Staff. Too much upper intestinal gas can come from swallowing more than a usual amount of air. It also can come from overeating, smoking, chewing gum or having loose-fitting dentures. Too much lower intestinal gas can be caused by eating too much of certain foods or not being able to fully digest certain foods.
Intestinal obstruction - Symptoms & causes - Mayo Clinic
网页2021年1月20日 · The small intestine and colon are parts of your digestive tract, which processes the foods you eat. The intestines take nutrients from the foods. What isn't absorbed by the intestines continues along the digestive tract and is passed as stool during a bowel movement.
Digestion: How long does it take? - Mayo Clinic
网页2019年12月31日 · Digestion time varies among individuals and between men and women. After you eat, it takes about six to eight hours for food to pass through your stomach and small intestine. Food then enters your large intestine (colon) for further digestion, absorption of water and, finally, elimination of undigested food. It takes about 36 hours for food to ...
Gastrointestinal bleeding - Symptoms and causes - Mayo Clinic
网页2023年10月13日 · Gastrointestinal (GI) bleeding is a sign of a disorder in the digestive tract. The blood often shows up in stool or vomit but isn't always obvious. Stool may look black or tarry. Bleeding can range from mild to severe and can be life-threatening. Imaging technology or an endoscopic investigation can usually locate the cause of the bleeding.
Capsule endoscopy - Mayo Clinic
网页2023年10月10日 · Capsule endoscopy is a safe procedure that has few risks. However, a capsule can get stuck in the digestive tract rather than leaving the body in a bowel movement in a few days. The risk is small. But it might be higher in people who have a condition that causes a narrow area, called a stricture, in the digestive tract.
Crohn's disease - Symptoms and causes - Mayo Clinic
网页2022年8月6日 · It causes swelling of the tissues (inflammation) in your digestive tract, which can lead to abdominal pain, severe diarrhea, fatigue, weight loss and malnutrition. Inflammation caused by Crohn's disease can involve different areas of the digestive tract in different people, most commonly the small intestine.
Colon cleansing: Is it helpful or harmful? - Mayo Clinic
网页2024年5月10日 · And in general, colon cleansing also can cause less serious side effects. These include cramping, bloating, diarrhea, upset stomach and vomiting. For some bowel conditions such as colitis or a blocked intestine, colon cleansing can lead to worse symptoms. It also can lead to complications such as bleeding in the digestive tract.
Gastrointestinal bleeding - Diagnosis and treatment - Mayo Clinic
网页2023年10月13日 · An upper endoscopy is a procedure that uses a camera to view the upper digestive system. The camera is attached to a long, thin tube, called an endoscope, and passed down the throat to examine the upper gastrointestinal tract. Colonoscopy. During a colonoscopy, a long, flexible tube is inserted into the rectum.