SS2 Handout 4

SS2 Handout 4 - Megans Monday Sections BICD 150 Handout 4...

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Megan’s Monday Sections BICD 150 Handout 4 Topics: Female Reproduction Female Reproduction Hormonal Refulation: Hypoth Pituitary Ovaries GnRH FSH, LH estrogens, androgens, progesterone, inhibins Anatomy, Histology, Follicular Development Follicles: each has a single oocyte. Usually, one is ovulated per month. o Oocytes are arrested in prophase of meiosis 1 until ovulation. See development below of the oocyte. o Oocyte maturation inhibitor (OMI). Inhibits meiosis.
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Follicle development: Primordial primary secondary tertiary graafian o All of the steps until tertiary graafian are not gonadotropin dependent and occur over many moths. Follicular cells: o Granulosa
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FSH receptors Testosterone from theca cells diffuses into granulosa cells and is converted into estrogen because granulosa cells contain aromatase. o Theca LH receptors Synthesize and secrete androgens, such as testosterone Androgen effects on follicles o Estradiol is needed to maintain maturation and growth of oocytes. o Estradiol responsible for generating more FSH receptors (plays a role in follicle selection). Upon ovulation, the follicle ruptures. o
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This note was uploaded on 04/06/2012 for the course BICD 150 taught by Professor Fortes during the Winter '09 term at UCSD.

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SS2 Handout 4 - Megans Monday Sections BICD 150 Handout 4...

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