Duodenal
is the first section of the small intestine and it is also called proximal or
anterior intestine, which is the principal site for iron absorption. The
duodenum measures 10-12 inch and has C-shaped structure lying next to the
stomach. In addition, it is further divided anatomically into four sections.
Namely, part
one is the superior part, part two descending part, part three is horizontal
part and part four is the ascending part.
