What is the difference between Jejunum and Ileum?

Jejunum and Ileum are both parts of the small intestines. The jejunum is the middle of the small intestine. It is much smaller than the ileum because the ileum is the longest part of the small intestine. It is the last part of the intestine before the start of the large intestine.

Both parts have different functions that occur. In the jejunum, digestion occurs, as well as enzymes are secreted. In the ileum, vitamin B is absorbed. Another difference between the two is that they both have traces of Mucosa Associated Lymph Tissue. Jejunum only has minor traces of it, while lleum has a large amount of the tissue.

The small intestine is made up of three parts. These include jejunum, duodenum, and ileum. The jejunum and ileum rest in the center of the abdominal cavity framed by the large intestine. There is no real line of separation to differentiate between the jejunum and ileum. Both sections of these two objects in the cavity assist in the process of moving food along the intestinal tract by another process called peristalsis.

The jejunum possesses thicker walls with more villa and plicae. On the other hand, ileum does not have as many of these variables. The ileum is the last and lengthiest part of the small intestine and is located between jejunum and cecum. The walls are also slimmer with a much narrower lumen. Its purpose is to absorb vitamin B-12 and bile salt.

Jejunum actually refers to the part of the human or animal small intestine, which lay aside just the duodenum, which leads to the Ileum. The internal lining of the jejunum actually has a large area of the surface that characterizes numerous folds or villi or projections, even microvillus, which is on the villi.

Ileum, on the other hand, is the last and also the lengthiest part of the human or animal small intestine. The ileum is about 4 meters long, the length starts from the jejunum and leads all the way through to the ileocecal valve. This is then where the ileum is linked to the large intestine.

The digestion process and the secretion of enzymes take place in the jejunum, while only the absorption of vitamin B and bile salts takes place in the ileum. The Jejunum has little traces of the Mucosa Associated Lymph Tissue, Ileum in contrast, has large amounts of the Mucosa Associated Lymph Tissue.