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5726 Anatomy

Before beginning a cesarean section (C-section) in a pregnant woman with a genital herpes infection, the obstetrician noted that she had an aponeurosis of the transverse abdominal muscle. This aponeurosis most likely contributes to the formation of which of the following?

AAnterior layer of the rectus sheath below the arcuate line (Correct Answer)
BAnterior layer of the rectus sheath above the umbilicus
CDeep inguinal ring
DPosterior layer of the rectus sheath below the arcuate line