Iliohypogastric nerve anatomy

The iliohypogastric nerve runs from the L1 root of the lumbar plexus laterally between the kidney and the quadratus lumborum muscle to the anterolateral abdominal wall muscles. It passes through the transversus abdominis muscle to run in the layer between transversus abdominis an internal oblique. It gives off a lateral cutaneous branch that passes superior to the iliac crest and through the remaining abdominal wall muscles to innervate the skin of the superior gluteal region. The anterior cutaneous branch continues around the abdominal body wall, eventually passing through the external oblique layer a few centimetres superior to the superficial inguinal ring to innervate the skin superior to the pubis. It also innervates parts of the transversus abdominis and internal oblique muscles.
Don't confuse it with the hypogastric nerve! We'll have a quick look at that too.
Music:
Whipped Up by Gregory David
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