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The Male Reproductive Testis
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What Are They?
• Two glands that are suspended within a sac that hang outside of the body called the scrotum.
• The are responsible for secreting testosterone and sperm
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Regions of the Testis
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Homeostasis
• The testis remain outside the body to retain the perfect temperature for sperm production, which is slightly lower than the body temperature.
• Raise and Lower• Reflex Reaction
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Hormones
• FSH (follicle-stimulating hormone) The development, growth, pubertal
maturation, and reproductive processes of the body
• LH (luteinizing hormone) Stimulates Leydig cell production of
testosterone
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Sperm Production
• FSH acts directly on the Seminiferous tubule to produce sperm
• Immature sperm travels from the seminiferous tubules to the epididymis where is stays until sexual arousal.
• http://health.howstuffworks.com/sexual-health/male-reproductive-system/adam-200126.htm
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Ailments
• Cryptorchidism (or undescended testes) • Testicular cancer • Testicular torsion • Orchitis • Hypogonadism (low testosterone) • Epididymitis • Testicular trauma
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Testicular CancerThe cancer is divided into two types: seminoma
(30%) and nonseminoma (70%).
Testicular cancer is almost always treatable if detected in the early stages, even if it has already started to spread.
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Symptoms of Cancer
The symptoms of testicular cancer include: • a painless lump in the testicle• dull ache or pain in the groin or abdomen• enlargement of a testicle• pain, discomfort, or a feeling of "heaviness" in
the scrotum• pain or discomfort in the testicle
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Treatments
• Surgery• Radiation Therapy• Chemotherapy
Gavin