Duodenal bulb Definition
It is the part of the duodenum that is closest to the stomach.
Duodenal bulb Appearance
This duodenal structure is about 5 cms long. It is round in shape and has a smoother surface than the other parts of the duodenum that comprise of villi (tiny hair-like mucosal projections), as well as various folds.
Duodenal bulb Location
It stretches from the pyrolus to the neck of the gallbladder. It is the foremost section of the duodenum. It is situated at a position superior to the pancreatic head and anterior to the gallbladder and the liver. The portal vein, common bile duct, and gastroduodenal artery lie posterior to it.
Duodenal bulb Function
It is an important part of the intestine and plays a vital role in digestion. Its primary function is to make the digestive process easier by connecting the jejunum to the stomach. The duodenal bulb, along with the pancreas and the gallbladder, is responsible for the digestive process. Food particles, on passing to this structure, continue to move to the jejunum.
Duodenal bulb Disorders
This organ can be impacted due to various disorders, such as duodenal ulcer which develops due to acid. Some other common conditions affecting this structure are:
- Duodenal Mucosa
- Duodenal Polyps
- Duodenal Cancer
- Duodenal Hernia
The organ might also be affected due to Duodenal Switch Surgery. A condition called Nodular Duodenitis also often affects this bulb-like structure and is caused by an inflammation of the same.
In case of Duodenal ulcers, the structure might also suffer from various deformities.
Duodenal bulb Pictures
Know about the visual appearance of this organ with the help of these useful pictures.
Picture 1 – Duodenal bulb
Picture 2 – Duodenal bulb Image