The jejunum is the midsection of the small intestine, connecting the duodenum to the ileum. It is about 2.5 m long, and contains the plicae circulares, and villi that increase its surface area. Products of digestion (sugars, amino acids, and fatty acids) are absorbed into the bloodstream here.
Not to be confused with the cells of the islets of Langerhans, found in the pancreas, or Langhans giant cell.
Adorable animal families that will make you aww. A Langerhans cell is a specific kind of white blood cell. Found largely in the epidermis, the outer layer of the skin, as well as in lymph nodes, Langerhans cells are an important element of the immune system.