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The following article was published in our article directory on June 12, 2012.
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The Purpose Of Gallbladder

Article Category: Wellness, Fitness and Diet

Author Name: Shawn Scarborough

Human body is still a mystery to scientists and medical researchers who have dedicated their lives to studying human anatomy. Gallbladder a small organ located underneath the liver is usually underestimated in importance as human body can continue to function normally even after removing it. However, just because the body can tolerate its loss does not imply that it does not perform any important function that contributes to overall health and well-being of a person. Like every other organ in the body, there is a purpose of gallbladder as well and the removal of the same puts additional pressure on other organs of the body.

Speaking of gallbladder function, it is essentially a storage organ that collects and stores bile that is produced by the liver and transports the same to the small intestine to help in digesting fat derived from the dietary intake. Gallbladder is a hollow organ and it derives its name from bile that is also known as gall. In order to develop a proper understanding of gallbladder purpose, you need to understand its structure. The gallbladder reaches a size of 8 centimeters by 4 centimeters in adults and comprises of three parts – fundusm, body and neck. While the fundusm connects it to the liver via a duct system, its neck tapers and connects with the biliary tree to become a common bile duct that leads to the upper portion of the small intestine.

Gallbladder is a muscular organ that contracts and expands during different phases of digestion. For instance, it contracts during the first phase of digestion and the intensity of its contraction is directly proportion to the level of fat present in the meal. This is because bile or the greenish yellow secretion stored in the gallbladder aids in emulsification of fats present in partly digested food. The secretion of cholecystokinin (CCK) present in dietary fat stimulates the release of bile by the gallbladder and the resultant contraction. An average adult human gallbladder contains approximately 50 milliliters of bile that is released into the duodenum so that the bile acids and salts help in digesting and absorbing fats and fat-soluble vitamins in the small intestine.

In order to understand how bile acids aid in digestion and absorption of fat by the body, you need to know the composition and function of bile as well as its production process. Bile comprises of bile acids and salts, water, cholesterol, electrolyte chemicals and pigments, which lend it a pH balance of 5 to 6 making it slightly acidic. Bile is secreted continuously by the liver cell into the common bile duct from where it travels to the gallbladder and accumulates there in a highly concentrated form that can have up to eighteen times the strength of the original secretion. According to medical studies, the liver produces approximately 250 to 1,000 milliliters of bile every day.

In addition to the bile secreted by the liver, the gallbladder also stores various products and byproducts of liver's metabolism. Thus, apart from the enzymes, the bile secretion that accumulates in the gallbladder also contains hormones, cholesterol, chemicals and heavy metals produced by the liver. Nonetheless, these products and byproducts are not transported to the gallbladder in their pure form but as co-joined with different kinds of vitamins, minerals and amino acids. This molecular formation aids in their faster and easier elimination from the body once they are transported to the intestines through the gallbladder.

Based on the purpose of gallbladder discussed above, it would be apt to summarize that it plays a vital role in digestion of fat by the body and regulates the trickle of bile into the small intestines for the same. In fact, improper gallbladder function may lead to large amount of bile being released into the small intestines when they are empty, thus eroding the inner lining of their walls and posing the risk of bowel cancer. In view of these facts, gallbladder function may not be central to good health and overall well-being of an individual, but it is essentially an integral part of it.

Keywords: purpose of gallbladder, gallbladder function, gallbladder purpose

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