Which parts of the human alimentary canal are divided into four parts each?

The stomach is divided into four major parts – cardia, fundus, body, and pylorus.

The colon is divided into four major parts – ascending colon, transverse colon, descending colon and sigmoid colon. 

The small intestine is divided into three parts – duodenum, jejunum, and ileum.

The large intestine is divided into three major parts – caecum, colon and rectum.