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VESSELS OF ANTEROLATERAL ABDOMINAL WALL The neurovascular supply to the body wall courses between the second and third muscle layers. Neurovascular Plane ⭐ • Neurovascular supply runs between: → Internal oblique & Transversus abdominis (i.e., 2nd and 3rd muscle layers) Generally, vessels, nerves, and lymphatics to the abdominal wall and to organs that originate as retroperitoneal structures branch laterally from the central neurovascular structures and are usually paired, one on each side. D