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Glossary: Duodenum
 


Definition
First portion of the small intestine between the pylorus and jejunum, connecting to the stomach.

Also: Duodenal

Topics Related To Duodenum
AncyclostomaRelated Topic
"Parasitic hookworm in the human duodenum..."

Antacid

Related Topic
"Neutralizes acid in the stomach, esophagus, or first part of the duodenum..."

Bile

Related Topic
"...Bile is stored in the gallbladder and is released when fat enters the first part of the small intestine (duodenum) in order to aid digestion..."

Cholagogue

Related Topic
"Agent that stimulates bile flow from the gallbladder into the duodenum..."

Chyme

Related Topic
"The thick, semifluid mass of partly digested food that is passed from the stomach to the duodenum..."

Coffee Enema

As A Treatment
"...Finally, the fluid of the enema stimulates peristalsis and the removal of diluted toxic bile - from the duodenum and out through the rectum..."

Diarrhea

The Condition
"...The latter examination utilizes a swallowed string to obtain a specimen of mucus from the duodenal lumen, and the mucus is subsequently examined for the presence of the organism..."

Dyspepsia / Poor Digestion

The Condition
"...The upper GI tract consists of the organs where food is initially taken into the body and digestion begins, including the esophagus, stomach, pylorus and duodenum..."

Eczema

Relationship to Bacterial Dysbiosis
"Fecal and duodenal flora in patients with atopic eczema have been studied..."

Gastric/Peptic/Duodenal Ulcers

The Condition
"A peptic ulcer is a hole in the gut lining of the stomach, duodenum, or esophagus..."

Our Question about black or tarry stools
"Bleeding from an ulcer may occur in the stomach or the duodenum, and sometimes is the only symptom..."

Relationship to Esophageal Stricture (narrowing)
"A chronic ulcer causes swelling and inflammation of the gastric and duodenal tissues..."

Relationship to Peritonitis
"Sometimes an ulcer eats a hole in the wall of the stomach or duodenum..."

Gastrointestinal Bleeding

Our Question about black or tarry stools
"Black, tarry stools usually result from bleeding that occurs high up in the digestive tract - for example, in the stomach or first segment of the small intestine (duodenum); blood in the stomach turns black when exposed to stomach acid and enzymes..."

Giardiasis Infection

The Condition
"...The low pH in the stomach and pancreatic proteases found in the proximal small intestine promote rapid breakdown of the cysts' outer walls within minutes of reaching the duodenum..."

Heartburn / GERD / Acid Reflux

Relationship to Gastric/Peptic/Duodenal Ulcers
"There is a relatively high prevalence of GERD amongst patients with duodenal or gastric ulcers..."

Helicobacter Pylori

Related Topic
"...pylori is a bacterium that is found in the stomach which, along with acid secretion, damages stomach and duodenal tissue, causing inflammation and peptic ulcers..."

Helicobacter Pylori Infection

The Condition
"...pylori is a bacterium that lives in the stomach and duodenum..."

Iron

As A Treatment
"...The absorption of iron takes place in the duodenum and upper jejunum (small intestine)..."

Kaposi's Sarcoma

The Condition
"...The following types of endoscopy are used to examine different parts of the body ... esophagogastroduodenoscopy - in which a flexible tube is used to examine the esophagus, stomach and upper duodenum (upper intestine)..."

Peptic Ulcer

Related Topic
"A general term for gastric ulcers (stomach) and duodenal ulcers (duodenum), open sores in the stomach or duodenum caused by digestive juices and stomach acid..."

Poor Small Intestine Health

The Condition
"...The small intestine is the largest part of the gastrointestinal tract and is composed of the duodenum which is about one foot long, jejunum (5-8 feet long), and ileum (16-20 feet long)..."

Pylorus

Related Topic
"...Once through the pylorus on its way to the duodenum, the food is still only partially digested..."

Roundworm Infection

The Condition
"...Once they are in the intestine (specifically, the duodenum), the eggs hatch into larvae which penetrate the wall of the intestine and enter blood or lymph vessels and end up in the lungs..."

Steatorrhea

The Condition
"...duodenal aspiration for Giardia, serum gastrin for Zollinger-Ellison disease, etc..."

Stress

Relationship to Gastric/Peptic/Duodenal Ulcers
"In general the duodenum isn’t as well protected with mucus as is the stomach and is more prone to ulcers..."

Weight Loss

As A Treatment
"...malabsorptive surgery is a combination of restrictive surgery as described above, along with bypass or malabsorptive surgery, in which the stomach is connected to the small intestine, bypassing the duodenum, which is the beginning portion of the small intestine..."





Last updated: Dec 06, 2007


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