1224_Day28_Lecture_upload(1)

1224_Day28_Lecture_upload(1) - Puberty Hypothalamus GnRH...

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Puberty Hypothalamus GnRH → causes FSH and LH to be released Anterior Pituitary FSH and LH → Stimulates the development of follicles and starts a change in a woman’s body 3 stages of puberty → effects Thelarche Pubarche Menarche → first menstrual period
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Overview of Female Reproduction Oogenesis: the production of an egg cell (ovum) Sexual cycle Ovarian cycle Events in ovaries Menstrual cycle Events in uterus Reproductive cycle Fertilization to birth
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Oogenesis Haploid gametes by meiosis Cyclic event One per month Hormonal changes Germ cells Differentiate into oogonia Oogonia ~ 400,000 at puberty
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Sexual Cycle
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Ovarian Cycle: Follicular Phase Preantral Phase Begins before birth Primordial follicle Oocyte in early meiosis Primary Follicle formed Stratified into granulosa cells
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Ovarian Cycle: Follicular Phase Antral Phase Mature (Graafian Follicle) Developed and ready to ovulate Preovulatory Phase
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  • Spring '17
  • Ovulation, ovarian cycle

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