The small intestine has three parts. The first part is called the duodenum. The jejunum is in the middle and the ileum is at the end. The large intestine includes the appendix, cecum, colon, and rectum. The appendix is a finger-shaped pouch attached to the cecum. The cecum is the first part of the large intestine. The colon is next. The rectum is the end of the large intestine.

Histologically speaking, the duodenum consists of the typical three layers common to all hollow organs of the gastrointestinal tract, but it has Brunner’s glands, which is the characteristic feature of the duodenum.

Histologically speaking, it has a complex microscopic structure, that can be viewed from several different angles. Physiologically speaking, the liver also performs many essential functions and it is your best friend when you are enjoying some beers with your friends. This article will examine every histological component of the liver, its macroscopic and microscopic vascular supply, and the biliary system.

In terms of histology, the mucosa of the ileum consists of simple columnar epithelium comprising of enterocytes and goblet cells. A characteristic histological feature of the ileum are Peyer’s patches.