External oblique muscleand aponeurosisIliohypogastric nerve (L1)Xiphoid processIlio-inguinal nerve (L1)Iliac crestAnterior cutaneousbranches T7 to T12Lateral cutaneousbranches T7 to T12
Fig. 4.37 Path taken by the nerves innervating the anterolateral abdominal wall.
Fig. 4.38 Dermatomes of the anterolateral abdominal wall.