Chapter 38 2
Terms
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- Testes
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-primary reproductive structures of the male
-site of sperm formation
-site of hormone production - Scrotum
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-where testes are housed
-temperature is lower than that of internal body, necessary for sperm to live - How many sperm are produced daily?
- over 200 million
- tunica albuginea
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-means white coat
-tough fibrous covering that protects the testis - Seminiferous tubules
- site of sperm production
- cryptorchidism
- condition frequently in premature births where testes have not descended through the inguinal canals and into scrotum (7th month)
- Spermatic Cord
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-Bundle of structures
-Passes through inguinal canal
-Includes ductus deferens, testicular vessels, lympy vessels, and nerves - Seminal vesicle
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-paired glands posterior to and at base of bladder
-produce alkaline fluid containing nutrients - Ejaculatory Duct
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seminal vesicle and ductus deferens join to form ejaculatory duct
-seminal fluid and the fluid containing the sperm join and pass thru into prostatic urethra - Prostate gland
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-largest accessory gland
-beneach bladder and surrounds urethra
-contracts to add milky aldaline fluid to urethra through many small ducts - Male Urethra
- Prostatic, membranous, penile
- Major Functions
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-produce male germ cell, the sperm, and introduce it into female tract
-to produce hormones mainly testosterone