Reproduction Notes

Reproduction Notes - Reproduction Hypothalamo-pituitary...

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Unformatted text preview: Reproduction Hypothalamo-pituitary axis similar in males and females Males FSH and LH on testes Females FSH and LH on ovary Ovulation Luteal phase Male Female The Re pro duc tive Ne uro e ndo c rine S ys te m A GnRH neuron in the preoptic area 2000 GnRH neurons in total ~100 billion neurons in brain Axo ns re le a s e G nRH into hypo phys e a l po rta l s ys te m G o na do tro pe s c o nta in b o th LH a nd FS H LH s e c re te d in puls e s Why a re c o ns ta nt re le a s e im pla nts no t g ive n? Ne uro e ndo c rino lo g y o f Re pro duc tio n Hypo tha la m o -pituita ry a xis s im ila r in m a le s a nd fe m a le s Ma le s FS H a nd LH o n te s te s Fe m a le s FS H a nd LH o n o va ry O vula tio n Ma le Te s tis Seminiferous tubules 600meters in man Sertoli cells secrete Inhibin Interstitial tissue Leydig cells secrete testosterone Ne uro e ndo c rino lo g y o f Re pro duc tio n Hypo tha la m o -pituita ry a xis s im ila r in...
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Reproduction Notes - Reproduction Hypothalamo-pituitary...

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