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3.2.1 Normal and Disordered Feedback Mechanisms - Female

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3.2.1 Normal and Disordered Feedback Mechanisms - Female

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Title: 3.2.1 Normal and Disordered Feedback Mechanisms - Female
Author: La Barbera, Andrew R.; Marsh, Karen; Sliney, Kyle
Description: GOAL: To describe the function components of the reproductive systems of male and females, the physiological basis for reproductive cyclicity in females and changes in the reproductive systems that occur at the puberty in males and females. 3.2 Objective: To describe the negative and positive feedback mechanisms of hypothalamic-pituitary-gonadal axis in females and males and consequences of interruption of feedback mechanisms. 3.2.1 Normal and Disordered Feedback Mechanisms -- Female (Animation) -How do GnRH, inhibin and estradiol regulate the pituitary in females? -How do estradiol, progesterone and testosterone regulate the hypothalamus in females? -What other hormonal, neurogenic, and psychogenic factors regulate the hypothalamic-pituitary unit in females? -How does ovariectomy affect plasma levels of testosterone and inhibin? -How are ovulation, estradiol and progesterone production, and secretion of inhibin, GnRH, FSH and LH affected by: -Ovariectomy -An FSH beta-subunit defect -An inactivating mutation of the FSH receptor -High levels of prolactin (hyperprolactinemia) -Hypothalamic oligospermia -Kallman's syndrome -Primary hypothyroidism -Secondary hypothyroidism - Secondary hypothyroidism due to hypothalamic TRH-secreting tumor -How is prolactin secretion affected by: -Primary hypothyroidism -TRH-secreting tumor -Secondary hypothyroidism -How do interruptions in the above feedback mechanisms manifest themselves in the hypothalamus, pituitary and ovaries? TO HEAR AUDIO, EXTRACT ALL FILES AFTER DOWNLOADING ZIP FILE.
Bookmark: http://hdl.handle.net/2374.UC/173
Date: 2007-02-06

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