The male reproductive system

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  • Created by: cat
  • Created on: 06-05-14 17:13
name 4 system of ducts in the male reproductive system
ductus epididymis, ductus deferens, ejaculatory duct, urethra
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name the accessory sex glands
seminal vesicles, prostate gland and paired bulbourethral gland
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what do the accessory sex glands secrete?
liquid portion of semen
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function of seminal vesicles
60% of semen fluid,viscous alkaline fluid,fructose for ATP production by sperm and prostagladins (sperm mortality and viability)
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what is the name of the muscle that contracts when the testes are exposed to cold?
cremaster muscle
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what is the name of the muscle that contracts to limit heat loss?
Dartos muscle
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what is the name of the fibrous tissue that covers the testes?
tunica albuginea
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what is the function of the prostate gland?
25% of semen volume, secretes milky,slightly acidic fluid containing *citric acid *proteolytic enzymes *prostate specific antigen *seminal plasmin (antibiotic)
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what is the function of the paired bulbourethral gland?
secrete alkaline fluid to protect sperm from acid from urea, mucus lubricates end of penis and lining of urethra
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what is leydig cells?
to secrete testosterone
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what are the functions of sertoli cells?
-form blood testes barrier -nourish spermatocytes -mediate effects of testosterone and FSH on spermatogenesis -phagocytose excess spermatids -secrete inhibin regulates sperm production by inhibiting FSH
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what is the product of spermatogenesis?
haploid sperm from diploid spermatogonia (takes 74 days)
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what happens during spermiogenesis?
development of spermatides in to sperm,acrosome and flagella form and mitochondria multiply.
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what happens during spermiation?
sperm release from connections to sertoli cells
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pressure generated by the fluid secreted by sertoli cells pushes sperm & fluid out. describe the pathwat that the sperm travels.
seminiferous tubules, straight tubules, rete tubules, efferent ducts in epididymis, ductus vas deferens within tail of epididymis and exit through spermatic cord.
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Card 2

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name the accessory sex glands

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seminal vesicles, prostate gland and paired bulbourethral gland

Card 3

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what do the accessory sex glands secrete?

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Card 4

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function of seminal vesicles

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Card 5

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what is the name of the muscle that contracts when the testes are exposed to cold?

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