Duodenum Sentence Examples
There is no gallbladder, and the biliary duct enters the duodenum about 6 in.
The principal duct enters the duodenum with the bileduct, and there is often a second small duct opening separately.
Duodenal obstruction is a partial or complete obstruction of the duodenum, the first part of the small intestine.
Obstruction prevents the normal passage of stomach contents into the duodenum and keeps the gallbladder and pancreas from draining their secretions.
The duodenum may have a membrane reducing the channel size (lumen), or two blind pouches instead of one duodenal channel, or a gap or flap of tissue may be present.Advertisement
Duodenal atresia can occur with other conditions such as a narrowing of the duodenal lumen (duodenal stenosis) or twisting of the duodenum around itself (duodenal volvulus).
It may also occur in combination with volvulus in another part of the bowel below the duodenum.
Malrotation of the duodenum is a more common cause of duodenal obstruction, typically appearing in the first few weeks of life.
In malrotation, the duodenum is usually coiled to the right, causing obstruction of the duodenum and failure of the stomach contents to pass through to the next portion of small intestine.
Malrotation may also involve the presence of Ladd's bands, abnormal folds or bands of tissue under tension across the lumen of the duodenum.Advertisement
Abdominal x-rays will be performed and will typically show what is called the characteristic "double bubble," a combination of air bubbles in the stomach and a dilated duodenum.
If malrotation is suspected, contrast-enhanced x rays of the upper intestinal region are usually able to visualize the twisted duodenum.
A nasogastric tube will first be placed through the infant's nose down into the stomach to decompress both the stomach and duodenum.
The most common malformation is a narrowed, obstructed duodenum (the part of the intestine into which the stomach empties).
Normally, the stomach hooks into the duodenum portion of the small intestine.Advertisement
In Plotus, the snakebird, the pyloric chamber of the stomach is beset with a mass of hair-like stiff filaments which permit nothing but fluid to pass into the duodenum.
To the left of the colic impression is a smaller one for the second part of the duodenum.
This acts to control the amount of digested stomach contents chyme - which slowly enters the duodenum a little amount at a time.
These include intussusception, when the adenoma may act as a lead point and cause the duodenum to telescope on itself.
The common bile duct then empties into a part of the small intestine called the duodenum.Advertisement
An ulcer in the stomach is called a gastric ulcer or stomach ulcer; one in the duodenum is called a duodenal ulcer.
Lipids are converted into an coarse emulsion in the stomach, and into a fine emulsion in the duodenum by pancreatic lipases.
The part of the stomach that controls the movement of food from stomach to duodenum is called the pyloric sphincter.
Thus an acid in the duodenum causes it to secrete a hormone to which the name of "secretin" has been given.
These ducts merge into larger and larger channels, like streams flowing into rivers, until they all pour into a single duct that empties into the duodenum (first part of the small intestine).Advertisement
Between the liver and the duodenum this duct has a side channel connected to the gall bladder.
The duodenum is about 10 in (25 cm) long and connects the stomach and the jejunum.
It is stored in the gallbladder and passes from the gall-bladder through the common bile duct to the top of the small intestine (duodenum) as needed to digest fat.
The upper GI series looks at the esophagus, the stomach, and the duodenum, or the first section of the small intestine.
X rays or images are then taken as the barium flows down the esophagus, into the stomach, and into the duodenum.
The child may be asked to turn on his or her side so that the technician can gently massage the stomach to move the barium into the duodenum.
It can also assess damage to the esophagus and can determine if there are stomach ulcers or ulcers in the duodenum.
The duodenum is the first part of the small intestine, extending from the valve at the bottom of the stomach that regulates stomach emptying (pylorus valve) to the second part of the small intestine (jejunum).
The stomach, gallbladder, and pancreas each empty their contents into the duodenum in anticipation of digestion.
Obstruction of the duodenum occurs in infants as a result of congenital causes.
The duodenal channel may be underdeveloped (duodenal hypoplasia), narrowed (duodenal stenosis), or the duodenum channel may not be properly formed (duodenal atresia).
Malrotation or coiling of the duodenum can also obstruct the duodenum, sometimes accompanied by volvulus, a twisting of the duodenum around itself.
If the duodenum is twisted as in volvulus, the newborn may have a distended abdomen and bloody diarrhea.
The malrotation, stenosis, or membranous bands are corrected surgically so that the duodenum has a normal opening and connects properly to the stomach and jejunum.
Survival rates for surgical repair of the duodenum is greater than 90 percent, regardless of the cause.
Duodenal volvulus occurs when the duodenum, the portion of small intestine that connects the stomach and jejunum, is twisted.
Pancreas-A five-inch-long gland that lies behind the stomach and next to the duodenum.
The pouch is then connected directly to the small intestine beneath the duodenum.
The patient does not absorb as many calories from the foods that are eaten because they never enter the lower part of the stomach nor do they enter the upper part of the small intestine, the duodenum.
In this sense alone quinine is a tonic. The hydrochloric acid of the gastric juice is stated to convert any salt of quinine into a chloride, and it seems probable that the absorption of quinine takes place mainly from the stomach, for when the drug reaches the alkaline secretions of the duodenum it is precipitated, and probably none of it is thereafter absorbed.
The alimentary,or intestinal, canal varies greatly in relative length and capacity in different mammals, and also offers manifold peculiarities of form, being sometimes a simple cylindrical tube of nearly uniform calibre throughout, but more often subject to alterations of form and capacity in different portions of its course - the most characteristic and constant being the division into an upper and narrower and a lower and wider portion, called respectively the small and the large intestine; the former being arbitrarily divided into duodenum, jejunum and ileum, and the latter into colon and rectum.
Besides the crypts of Lieberkiihn found throughout the intestinal canal, and the glands of Brunner confined to the duodenum, there are other structures in the mucous membrane, about the nature of which there is still much uncertainty, called " solitary " and " agminated " glands, the latter more commonly known by the name of " Peyer's patches."
It involves opening the duodenum channel along its length from the stomach to the next portion of intestine, correcting the duodenal lumen end to end (gastrojejunal anastomosis) so that it is a fully open channel.