The testes are two egg-shaped male reproductive organs located in the scrotum. They produce sperm and the male hormone, testosterone.
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Behrman RE. Nelson Textbook of Pediatrics. 17th ed. Philadelphia, Pa: WB Saunders; 2004.
Wein AJ. Campbell- Walsh Urology. 9th ed. St. Louis, Mo: WB Saunders; 2007.