SMALL INTESTINE Meaning and
Definition
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The small intestine is a crucial long, tubular organ of the digestive system found between the stomach and large intestine. It serves as a vital site for nutrient absorption in humans and many other animals. In adult humans, it measures roughly 20 feet (6 meters) in length and can be divided into three anatomical regions: the duodenum, jejunum, and ileum.
The first section of the small intestine is the duodenum, which is shaped like a horseshoe and is responsible for the breakdown and absorption of nutrients. It receives partially digested food from the stomach, as well as digestive juices from the liver and pancreas. These juices aid in the breakdown of proteins, fats, and carbohydrates.
The next part is the jejunum, which constitutes the majority of the small intestine. It is responsible for the bulk of nutrient absorption, particularly carbohydrates and proteins. The jejunum has a specialized lining with tiny finger-like projections called villi that greatly increase its surface area for efficient absorption.
Finally, the ileum completes the small intestine. It is primarily responsible for the absorption of vitamin B12, bile salts, and any nutrients that were not absorbed by the preceding sections. The ileum connects to the large intestine at a valve called the ileocecal valve, which controls the flow of partially digested food into the colon.
Overall, the small intestine plays a vital role in the digestion and absorption of nutrients, allowing our bodies to obtain the necessary energy and building blocks for various cellular functions and overall health.
Common Misspellings for SMALL INTESTINE
- amall intestine
- zmall intestine
- xmall intestine
- dmall intestine
- emall intestine
- wmall intestine
- snall intestine
- skall intestine
- sjall intestine
- smzll intestine
- smsll intestine
- smwll intestine
- smqll intestine
- smakl intestine
- smapl intestine
- smaol intestine
- smalk intestine
- smalp intestine
- smalo intestine
- smallintestine
Etymology of SMALL INTESTINE
The word small intestine originates from the combination of two words.
The word intestine can be traced back to the Latin word intestinum, which means internal or inner part. It was derived from the Latin word intestinus, which means internal or internal organs.
The term small is an adjective used to distinguish the small intestine from the large intestine. The word small comes from the Old English word smæl, which means not large or of little size. The Old English word smæl has Germanic origins and is related to the Dutch word smal and the German word schmal, both meaning narrow or slender.
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