MALE REPRODUCTIVE

• Sperm


  Produced at 300 million per day in seminiferous tubules, with a head containing an acrosome
• Flagella


  Middle piece of sperm tail containing mitochondria for energy to move
• Rete Testis


  Ducts leaving each lobule, entering the epididymis
• Epididymis


  Site of sperm maturation, with head, body, and tail regions storing sperm for 1-2 months
• Pseudostratified Columnar Epithelium


  Lining of ductus epididymis, aids in sperm viability
• Peristaltic Contraction


  Smooth muscle action in the epididymis facilitating sperm movement
• Inguinal Hernia


  Weakened inguinal canal leading to hernia
• Seminal Vesicle


  Organ secreting alkaline, viscous fluid containing fructose and prostaglandins
• Prostate Gland


  Gland secreting slightly acidic fluid with citric acid, enzymes, and seminalplasmin
• Cowper's Gland


  Pea-sized gland secreting alkaline mucus into the spongy urethra
• Semen


  Mixture of sperm and glandular secretions, coagulates then reliquefies
• Penis


  Male reproductive accessory with erectile tissue and corpora cavernosa
• Corpus Spongiosum


  Expands to form the glans penis, surrounds the urethra
• Erection


  Arterial dilation in response to sexual stimulation, parasympathetic reflex
• Ejaculation


  SNS reflex involving urethral sphincter constriction and peristalsis