Answer:
The correct option is: A. Arcuate line
Explanation:
The rectus sheath is composed of aponeuroses of the transverse abdominal muscles and the internal and external oblique muscles and can be divided into the anterior laminae and the posterior laminae.
The arcuate line or the Douglas' line of the abdomen refers to the horizontal line at which the posterior layer, which is composed of the posterior laminae of the rectus sheath ends inferiorly.
