CT: Abdominal Wall

This image reveals some of the muscles and structures comprising the abdominal wall. Viewing a cross-section such as this may prove helpful in appreciating the various "layers" of the abdomen. Structures appearing bright are due to the presence of contrast material given both orally and intravenously, thus highlighting the intenstinal lumen and the intravascular space.

Identify the following:

1. superficial fascia

2. rectus abdominis

3. linea alba

4. external oblique

5. external oblique fascia

6. internal oblique

7. transversus abdominis

8. transversus abdominis fascia and transversalis fascia

9. psoas major

10. quadratus lumborum