Rectus sheath (diagram)

Case contributed by Dr Craig Hacking
Diagram

Diagrams of the rectus sheath above and below the arcuate line.

Case Discussion

Above the arcuate line:

  • the anterior layer of the rectus sheath is composed of the external oblique aponeurosis and the anterior half of the internal oblique aponeurosis
  • the posterior layer of the rectus sheath is composed of the posterior half of the internal oblique aponeurosis and the transversus abdominis aponeurosis

Below the arcuate line:

  • the anterior rectus sheath is composed of all the layers of the external oblique, internal oblique and transversus abdominis aponeuroses
  • the posterior layer of the rectus sheath is absent
PlayAdd to Share

Case information

rID: 67538
Published: 10th Apr 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.