jejumum
The last segment of the small intestine is the ileum. At the end of the ileum is the ileocecal valve.
The first portion of the small intestine is a small curved portion called "duodenum".
c. cecum which is the first portion of the large intestine)
In a frog the first part of the small intestine is called duodenum. The second part is called the ileum. The small intestine leads to the large intestine.
micro villi in the jujeum (second part of your small intestine)
In the jejunum, the second part of the small intestine.
This is the first segment of the small intestine right below the stomach.
The suture of the second portion of the small intestine is known as the mesentery. It is a fold of peritoneum that attaches the small intestine to the posterior abdominal wall, providing support and allowing blood vessels, nerves, and lymphatics to reach the intestine.
The first portion of the small intestine, the duodenum, is straight. The second portion, the ileum, is coiled.
The duodenum is in the digestive tract, and it forms the upper part of the small intestine. It connects the stomach to the jejunum, the middle part of the small intestine. A link can be found below.
The duodendum and the jejenum
Surgery is performed under general anesthetic. The small intestine is isolated and the diverticulum is removed, sometimes with a small segment of the intestines.