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What is The efferent limb of cremaster reflex is carried by and explain in detail?
CREMASTER REFLEX: When we touch upper medial thigh in males, cremaster muscle contracts & pull the ipsilateral testicle towards inguinal canal. Afferent sensory information is carried by Femoral branch of Genitofemoral N. > Ilioinguinal N. towards spinal cord at level of L1 Efferent motor signal- Genital branch of Genitofemoral N. towards cremaster muscle to elevate the scrotum. Iliohypogastric Nerve (L1): Supplies skin above inguinal ligament Ilioinguinal Nerve (L1): Supplies skin of anterior scrotum and adjacent thigh Genitofemoral (L1, L2): Supplies skin below inguinal ligament, motor to cremaster muscle Note: Both the ilioinguinal nerve and genital branch of the genitofemoral nerve pass through the inguinal canal.