Latest Human gastrointestinal tract Stories
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The underlying reason autism is often associated with gastrointestinal problems is an unknown, but new results to be published in the online journal mBio® on January 10 reveal that the guts of autistic children differ from other children in at least one important way: many children with autism harbor a type of bacteria in their guts that non-autistic children do not.
A protective delivery vehicle that shuttles friendly bacteria safely through the stomach to the intestines could provide a major boost for the probiotics industry.
The immunochemical fecal occult blood test (iFOBT) is effective for predicting lesions in the lower intestine but not in the upper gastrointestinal (GI) tract.
Researchers at The Saban Research Institute of Children's Hospital Los Angeles have successfully created a tissue-engineered small intestine in mice that replicates the intestinal structures of natural intestineâ€”a necessary first step toward someday applying this regenerative medicine technique to humans.
MILWAUKEE, June 23, 2011 /PRNewswire/ -- A bill to expand federal research of functional gastrointestinal (GI) and motility disorders, such as IBS, GERD and gastroparesis, has been introduced in the U.S. House of Representatives.
Cedars-Sinai researchers have reported two advances in the understanding of Irritable Bowel Syndrome, the most common gastrointestinal disorder in the United States, affecting an estimated 30 million people.
Researchers at UT Southwestern Medical Center have uncovered new clues about how the intestine maintains friendly relations with the 100 trillion symbiotic bacteria that normally live in the digestive tract.
Findings suggest that nonperforating appendicitis, when the appendix hasn't burst, and nonperforating diverticulitis could be similar diseases that warrant similar treatments.
Duodenal atresia is a congenital closure of the lumen of the duodenum, which is the first portion of the small intestine and is separated from the stomach by the pyloric sphincter. During fetal development, the duodenum develops from the posterior portion of the foregut and the anterior portion of the midgut. The liver and pancreas originate from the diverticulum arising from the ventral part of the duodenum, and the bile duct runs along the ventral free side of the duodenum. Rotation and...
The large intestine is the organ that follows the small intestine but is the last part of the digestive tract before the waste leaves the body. Formation and Orientation The small intestine is on average about five feet long. It is composed of four distinct structural parts; the cecum, colon, and anus. The cecum is the part of the large intestine that comes first. It is separated into three parts. The taeniae coli are three bands of smooth muscle. The haustra are bulges caused by...
The esophagus is the muscular tube that is located between the pharynx and the stomach that aids in digestion during swallowing. Formation and Orientation The esophagus is composed of four separate layers; the mucosa, submucosa, muscularis externa and the adventitia. The mucosa includes the stratified squamous epithelium, lamina propria and muscularis mucosae. The submucosa houses the esophageal glands and connective papillae. The muscularis externa is composed of three sublayers The...
The gall bladder is the sac-shaped organ that is the passage between the liver and intestine where bile is held. Formation and Orientation The gall bladder is relatively 8 cm by 4 cm when fully formed. The gallbladder is angled between the rectus abdominis muscle and the costal margin. It is hollow and is made up of three parts; the fundus, the body and the neck. The fundus is the part of the gallbladder that is most far from the cystic duct. This is at the same level of the...
The small intestine is the part of the digestive tract that follows the stomach and is followed by the large intestine. Formation and Orientation The small intestine is on average between 22 feet 6 inches and 24 feet 4 inches. It is composed of three distinct structural parts; the duodenum, the jejunum, and the ileum. The duodenum is the part of the intestine where most chemical breakdown happens; it is also the shortest part of the intestine. It starts at the duodenal bulb and stops...
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