ocr: Resident and Staff Physician POTIENT EOUCOTION Chart The T'estes Testes Leydig's and Sertoli's Cells Epididymis Produce testosterone under pituitary control Vas deterens T Stimulate testicular descent and masculinization Testis Reprinted with permissionfrom Resident and Staff Physician (c)1991-92, 19931 by Romaine Pierson Publishers, Inc.