ch 5 pt 3 fa08

ch 5 pt 3 fa08 - • Moves sperm from scrotum to...

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The Scrotum Sac or pouch with two chambers Muscle layer (tunica dartos) Pulls sac closer to body in cold temperatures Spermatic cord
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The Testes Secrete male hormones Produce sperm Cryptorchidism: undescended testis Self-exam is recommended
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Underlying Structures of the Scrotum
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The Testes Seminiferous tubules Site of sperm production Interstitial cells Major source of androgens Epididymis Sperm maturation
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Internal Structure of a Testis
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The Vas Deferens
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Unformatted text preview: • Moves sperm from scrotum to ejaculatory duct through prostate • Ejaculatory ducts open into the Urethra Male Sexual Anatomy Male Sexual Anatomy • Seminal Vesicle – Secretes 70% of seminal fluid • Prostate gland – Secretes 30% of seminal fluid • Cowper’s glands – Secretes fluid before ejaculations – May contain active, healthy sperm • Semen (seminal fluid) – Volume about 1 teaspoon – 200 to 500 million sperm...
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ch 5 pt 3 fa08 - • Moves sperm from scrotum to...

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