The Ileum!
The jejunum is before the ileum, & the cecum is after the ileum.
Iliocecal valve
The last section of the small intestine is the ileum.
The ileum is the third and final section of the small intestine. After the stomach there is the duodenum and the jejunum. The ileum terminates where it joins the caecum.
The duodenum is the section of the small intestine that is attached to the stomach.
The ileum is located in the abdomen. It is the final part od the small intestine and is interwtined with the resof it. This is the section that joints to the cecum of the large intestine. The Ileum is not to be confused with the Illium which forms the large winglike part of the pelvis.
The large intestine is the shorter but wider section of the intestine. The small intestine is longer but narrower.
the villi in the small intestines.
The duodenal loop is a section of the small intestine. It is in this section of the small intestine that chemical digestion begins.
The iliocecal valve is an involuntary smooth muscle sphincter located between the ileum (small intestine) and the secum (portion of large intestine). Its function is to prevent backflow or reflux into the ileum.
The tube at the beginning of the small intestine is the duodenum; this is only one section of the small intestine.
The distal coiled portion of the small intestine is called the ileum. It is located between the jejunum and the cecum (the beginning of the large intestine) and is the longest section of the small intestine. The ileum is primarily involved in the absorption of nutrients, especially vitamin B12 and bile salts.
The small intestine is the longest section of the intestines. It's called "small" because it has a narrower diameter than the large intestine.