In biology, the jejunum is the central of the three divisions of the small intestine and lies between the duodenum and the ileum. In adult humans it is about 2.5m long.
The inner surface of the jejunum is covered in projections called villi[?], which increase the area of tissue available to absorb nutrients from the gut contents.
All Wikipedia text
is available under the
terms of the GNU Free Documentation License
Search Encyclopedia
Search over one million articles, find something about almost anything!
... people or slaves was common. Although the major European ethnic stock of Brazil was once Portuguese, subsequent waves of immigration have contributed to a divers ...