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SEX – en nyttig opfindelse

SEX – en nyttig opfindelse. Dreng eller pige?. Mandens kønsorganer. Mandens kønshormoner. Mandens hormonelle regulering. Hypothalamus. Negativ feedback. Hypofysen. FSH LH . Testosteron. Testiklerne Leydig celler producerer testosteron

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SEX – en nyttig opfindelse

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  1. SEX – en nyttig opfindelse

  2. Dreng eller pige?

  3. Mandens kønsorganer

  4. Mandens kønshormoner

  5. Mandens hormonelle regulering Hypothalamus Negativ feedback Hypofysen FSH LH Testosteron Testiklerne Leydig celler producerer testosteron Sertoli celler danner receptorer for testosteronen. Testosteron + receptor får Stamceller til at danne sædceller

  6. Kvindens kønsorganer

  7. Ægmodning Kvindens hormoner FSH og LH Østrogen og progesteron FSH oFSH og LH Kvind Østrogen og progesteron g LH Østrogen og progesteron

  8. Kvindens hormonelle regulering

  9. Kvindens hormonelle regulering Hypothalamus Hypofysen LH FSH Østrogen + progesteron Negativ feedback på FSH og LH Østrogen Negativ feedback på FSH Positiv feedback på LH Ovarierne Follikelvækst. Ægløsning + gult legeme Livmoderen Østrogen stimulerer celledeling + tyndt sekret Progesteron gør slimen næringsrig

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