Multiple choice

Which of the following nerves innervates the human penis?

  1. Labialscrotal nerve

  2. Sciatic nerve

  3. Sacral nerves 2, 3 and 4

  4. Genitofemoral nerve

  5. Sacral spinal nerve
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C Correct answer
Explanation

Innervation of the penis comes from the pudendal nerve, which is made up of the 2nd, 3rd and 4th sacral nerves. The penile nerve (also known as the dorsal nerve of the penis) is the deepest branch of the pudendal nerve.

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