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Retract the internal iliac artery to identify its anterior division and posterior division (Figure 44.6).
First, identify the branches of the posterior division of the internal iliac artery:- iliolumbar artery, supplying the iliacus muscle and giving the lumbar branches to the posterior abdominal wall
- lateral sacral artery, passing along the lateral border of the sacrum
- superior gluteal artery, passing between the lumbosacral trunk and the first spinal nerve and entering the gluteal region
Links and References:
Grant's: 3.55
Netter (1ed.): 373, 377 (2ed.): 369, 373
Rohen/Yokochi: 338, 339