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He finished ileum comes from greek eiléōn, in turn derived from eileîn (which can be translated as "squirm" ). It is called ileum sector of the small intestine that extends between the end of the jejunum and the beginning of the blind .

In mammals, the intestine it is a conduit that belongs to digestive system . Located next to stomach , is folded and houses glands in its walls that secrete intestinal juice.

To part which has a smaller diameter is called small intestine , which in turn is divided into three sections: the duodenum , he jejunum and the ileum . The duodenum is the upper section, linked to the stomach. The jejunum, meanwhile, is in the middle, while the ileum is the third portion.

When the jejunum ends, therefore, the section of the ileum begins, which concludes in the blind (the first sector of the large intestine), from which it is separated through the ileocecal valve. He large intestine , meanwhile, contains the colon , the rectum and the anal canal, which is the opening of the digestive system through which feces are expelled.

Regarding the ileum specifically, it contributes to the processing of nutrients through tasks of absorption, secretion and motility. Many bile salts and vitamin B12, for example, are absorbed by the ileum.

It should be noted that, according to the dictionary of the Royal Spanish Academy (RAE ), ileum can also be used as a synonym for ilium : the bone that, in adults, joins the pubis and the ischium at the hip for the formation of the unnamed bone.

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