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Structure and functions of the small intestines (Jejunum (Most of jejunum…
Structure and functions of the small intestines
Digestion and absorption of food occurs
Jejunum
Most of jejunum lies in umbilical region
In hypogastric
Begins at duodenojejunal junction
Freely mobile and attach to the posterior abdominal wall
Extend from pylorus of stomach to the cecum
Composed of 3 parts
Jejunum
2/5 of small intestine
Ileum
3/5 of small intestine
Duodenum
Shortest part
Duodenum
c-shaped tube that surround the head of pancreas
Shortest and widest part of small intestin
Connect with Jejenum known as duodenojejunal
Mesentery attaches small intestine (except most of duodenum) to posterior abdominal wall
Ileum
Begins at ileocecal junction
No clear demarcation between jejunum and ileum