Fig. 5.

Superficial caudal epigastric neurovascular bundle and its branches. A, Photograph of the superficial caudal epigastric neurovascular bundle after intraarterial and intravenous injection with a red and blue solution, respectively. B, Microphotograph of a hematoxylin-eosin–stained section of a transverse section of the caudal superficial epigastric neurovascular bundle. C, Microphotograph of a Masson’s trichrome stained section of a transverse section of the caudal superficial epigastric neurovascular bundle. 1, SIEA; 2, superficial caudal epigastric vein; 3, branches of the caudal epigastric nerve; 4, superficial caudal epigastric lymphatic vessels. Arrow heads indicate the sheath involving the superficial caudal epigastric neurovascular bundle. Calibration bar in A = 1000 µm; calibration bars in B and C = 100 µm.