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Make a longitudinal incision through the covering of the spermatic cord (Figure 36.5A and Figure 36.5B). This covering is composed of three layers:
All three spermatic layers are derived from layers of the anterior abdominal wall.
Links and References:
Grant's: 2.15, 2.16
Netter (1ed.): 365 (2ed.): 361
Rohen/Yokochi: 321