Gallbladder Distension
Gallbladder Distension - Related Videos
01:17
Gallbladder
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2024
The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion. The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins the common...
01:26
Diseases of the Liver and Gallbladder
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2024
Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease. Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
09:17
In Vivo Luminal Measurement of Distension-Evoked Urothelial ATP Release in Rodents
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Cited by 1 •
2022
This protocol describes the procedure for measuring ATP concentrations in the lumen of the bladder in an anesthetized rodent.
09:32
Measurement of Pulse Propagation Velocity, Distensibility and Strain in an Abdominal Aortic Aneurysm Mouse Model
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Cited by 10 •
2020
This manuscript describes a detailed protocol for using high frequency ultrasound imaging to measure luminal diameter, pulse propagation velocity, distensibility and radial strain on a mouse model of abdominal aortic aneurysm.
07:53
Quantifying Inferior Vena Cava Compliance and Distensibility in an In Vivo Ovine Model Using 3D Angiography
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Cited by 2 •
2024
This protocol allows for the in vivo quantification of venous compliance and distensibility using catheterization and 3D angiography as a survival procedure allowing for a variety of potential applications.
FAQs
After a meal, cholecystokinin stimulates the gallbladder to contract while the sphincter of Oddi relaxes, allowing bile to leave the gallbladder. Distension can develop when this coordinated emptying response is reduced, because bile remains under pressure rather than being released into the digestive tract. This links gallbladder size with hormonal regulation and biliary flow.
The cystic duct provides the route through which bile leaves the gallbladder. If this passage becomes blocked, bile cannot exit normally and accumulation stretches the gallbladder wall. Reduced emptying can produce a similar result, so gallbladder distension connects a visible structural change with altered bile movement and possible disruption of normal biliary function.
Between meals, the gallbladder stores and concentrates bile before it is needed for digestion. This storage function depends on later contraction and release through the biliary pathway. When emptying is impaired, the normal cycle of filling and release is disrupted, making distension useful for studying how storage, pressure, and digestive regulation interact.
Ultrasound can show changes in gallbladder size and wall structure. These observations provide a way to examine the physical effects associated with accumulated bile or increased pressure without relying only on functional explanations. In biology and medicine, imaging findings can therefore connect altered biliary function with observable changes in the gallbladder.
Gallbladder distension is studied when investigators want to understand altered bile storage, impaired emptying, obstruction, or inflammation. It provides a useful connection between normal digestive regulation and abnormal biliary conditions. Studying the enlargement alongside gallbladder wall changes can help explain how disrupted bile movement affects the organ's structure and function.
The condition provides an observable outcome for examining whether bile is being stored, concentrated, and released normally. Researchers can relate enlargement and wall changes to reduced emptying or cystic duct blockage, while considering the roles of cholecystokinin and the sphincter of Oddi. This makes it relevant to both digestive biology and medical investigation of biliary disorders.