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".
Mesentery
anal canal
In your small intestine, a portion called the duodenum.
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.
The s-shaped portion of the large intestine is called the sigmoid colon. Sigmoid comprises two parts: sigma(the Greek letter S) and the suffix -oid (which means like or similar to). Thus, sigmoid means similar to an S.
The small intestine connects to the large intestine about a hands length beneath the liver. The portion of the S.I. is called the ileum and the portion it joins to is the cecum. A sphincter connects the two, preventing back flow. Below the junction is the appendix, which is essentially the tapering off of the large intestine into a rat tail like shape. Matter is supposed to continue up through this part of L.I. hence it's named the ascending colon.
it is the ascending colon the middle is transferse colon and the left is descending
This is called estrogen.
That is called a gene.