Nerve | Root | Location | Innervation |
Ilioinguinal | T12, L1 | Accompanies spermatic cord | Proximal and medial thigh |
Mons pubis and labia majora | |||
Root of penis and upper scrotum | |||
Iliohypogastric | T12, L1 | Divides into two branches: | |
Anterior cutaneous branch | Passes between the aponeurosis and internal oblique; accompanies spermatic cord | Skin of hypogastric region | |
Lateral cutaneous branch | Pierces the internal and external oblique above the iliac crest | Skin of the gluteal region | |
Genitofemoral | L1, L2 | Divides into two branches: | |
Genital branch | Through internal ring, joins spermatic cord | Mons and labia/scrotum | |
Femoral branch | With external iliac artery | Anterior lateral thigh | |
Lateral femoral cutaneous | L2, L3 | Beneath inguinal ligament | Anterior lateral thigh |
Femoral nerve | L2, L3 | Beneath inguinal ligament | Primarily motor nerve to quadriceps femoris |
Sensory branch anterior thigh |
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