Introduction | Anatomy | Abstracting, Coding, & Staging | Treatment | Hands-on Exercise |
Unit Review and Quiz
Anatomy of the Colon and Rectum | Layers of Bowel Wall | Regional Lymph Nodes | Unit Review & Quiz |

Unit Review

Here is what we have learned from this unit:

• The entire colon is about 5 feet (150 cm) long, and is divided into five major segments. The rectum is the last anatomic segment before the anus.
• The right colon consists of the cecum, ascending colon, hepatic flexure and the right half of the transverse colon.
• The left colon consists of the left half of the transverse colon, splenic flexure, descending colon, and sigmoid.
• Regional lymph nodes include:
  • Ileocolic lymph nodes
  • Pericolic lymph nodes
  • Presacral lymph nodes
  • Retrocecal lymph nodes
  • Inferior mesenteric lymph nodes
  • Superior rectal lymph nodes
• Major components of bowel wall are:
  • Lumen
  • Mucosa
  • Submucosa
  • Muscularis propria
  • Subserosa
  • Serosa (visceral peritoneum)

Number-Term Match Quiz

It's time to see how much you have learned from this unit. You are going to take a number-term match quiz, in which, by studying an illustration with a numbered anatomical structure, you type correct numbers into input fields to match anatomical terms. When you finish all the questions, click the "Check Answers" button to see the result.

Please click here to take the quiz.