1. Stallion Reproductive System By: K. Matthews Modified 2010 by B. Purswell

2. What is the function of the male reproductive system? Produce sperm and hormones – Testosterone Storage and maturation of sperm Produce semen Copulatory organ (penis) delivers semen to female

3. Components Testes Epididymis Spermatic cord Vas Deferens Accessory Sex Glands Penis Sheath

4. Testes Primary organ of reproduction in male Produce sperm and male sex hormones – Testosterone Do not remain inside body cavity – Chriptorchid – In-fertility

5. Testes

6. Scrotum Aids in temperature control of the testes Support of the testes Protection of the testes

7. Scrotum

8. Testes/Scrotum

9. Spermatic Cord Contains life-support vessels Aids in regulating temperature of testes Supports the testes

10. Spermatic Cord

11. Epididymis Concentration of spermatozoa (sperm cells) Storage of spermatozoa Transport of spermatozoa Maturation of spermatozoa

12. Epididymis

14. Vas Deferens Transport of spermatozoa to accessory glands

15. Accessory Sex Glands Vesicular Gland – Contributes fluid, energy substrates, buffers to semen Prostate Gland – Contributes fluid to semen Bulbourethral Gland – Flushes urine residue from urethra

16. Accessory Sex Glands

17. Urethra Transports semen

18. Glans Penis Male organ of copulation

19. Sheath Encloses and protects free end of penis