Question: what are the different parts of the colon?
Answer: Cecum: This is the beginning of the colon. ... 
Ascending colon (right colon): This is the first part of the colon.
Transverse colon: This is the middle part of the colon.
Descending colon (left colon): This is the third part of the colon.
Sigmoid colon: This is the last part of the colon.