Peyer's patches
The cecum is the first portion of the large intestine.
The first portion of the small intestine is a small curved portion called "duodenum".
anal canal
Mesentery
The portion of the small intestine that attaches to the cecum is the ileum. The connection point is called the ileocecal valve, which regulates the flow of contents from the small intestine into the large intestine.
The terminal portion of the small intestine is called the ileum. It connects to the large intestine at the ileocecal valve.
In your small intestine, a portion called the duodenum.
The portion of the stomach closest to the small intestine is called the pylorus. This region controls the flow of partially digested food from the stomach into the small intestine for further digestion and absorption.
The first portion of the large intestine is called the cecum. It connects the small intestine to the colon and is located in the lower right side of the abdomen. The appendix is attached to the cecum.
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 ileum is the longest part in the small intestine. It has a length of around 2-4m. It is the last section in the small intestine.
The small intestine- duodenum, jejuneum, and ileum.