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Reproduction Notes - Reproduction females Males...

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Reproduction Hypothalamo-pituitary axis – similar in males and  females Males FSH and LH on testes Females FSH and LH on ovary Ovulation Luteal phase
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Male Female
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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 as e  G nRH into  hypo phys e al po rtal s ys te m G o nado tro pe s  c o ntain bo th LH and FS H
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LH s e c re te d in puls e s Why are  c o ns tant  re le as e  im plants  no t  g ive n?
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Ne uro e ndo c rino lo g y o f  Re pro duc tio n Hypo thalam o -pituitary axis  – s im ilar in  m ale s  and fe m ale s Male s FS H and LH o n te s te s Fe m ale s FS H and LH o n o vary O vulatio n Lute al phas e
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Male
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Te s tis Seminiferous tubules 600meters in man Sertoli cells secrete Inhibin Interstitial tissue Leydig cells secrete testosterone
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Ne uro e ndo c rino lo g y o f  Re pro duc tio n Hypo thalam o -pituitary axis  – s im ilar in 
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