Topic3_Notes_ANS3319CEndo_Final

Topic3_Notes_ANS3319CEndo_Final - ANS 3319C Reproductive...

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20 ANS 3319C Reproductive Physiology and Endocrinology Endocrine Section Endocrinology and Nervous Regulation of Reproduction 1) Neural regulation (immediate & short acting; Fig 5-1, 5-2) Simple neural reflex (i.e., ejaculation, Fig 11-13) Target tissue directly innervated by neurons, neurotransmitters released Neuroendocrine regulation (i.e., milk let down, Fig 15-13) Neurohormone released into circulatory system, acts on remote target tissue 2) Endocrine Regulation _________________________ : ductless gland that synthesizes & secretes chemical messenger (hormone) into blood stream, which travels to & acts on target tissues ______________________ : chemical messenger secreted from a ductless gland or tissue that is carried in the blood to a remote target tissue to initiate change in cellular activity. _____________________________________________________________ ______________________________________________ (HYPO: Fig. 5-3, Fig 5-4) Located in ventral brain, surrounds third ventricle of brain Neural control center for neuropeptides (< 20 AA) from “paired nuclei”
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21 ANS 3319C Reproductive Physiology and Endocrinology Endocrine Section Secretes releasing & inhibiting hormones _______________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ Other neurohormones (direct & indirect actions on reproduction) Prolactin Releasing & Inhibiting Factor Corticotropin Releasing Factor, Thyrotropin Releasing Factor Growth Hormone Releasing & Inhibiting Hormone Neuropeptides _______________________________________________________________________ ____________________________________________________________________ _________________________________________________________________ _______________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________
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22 ANS 3319C Reproductive Physiology and Endocrinology Endocrine Section _____________________________________________________________________________ __________________________________________________________________________ ____________________________________________________________________ (Fig 5-5) _______________________________________________________________________ ______________________________________________________________ (Fig 4-3) ________________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ __________________________________________________________________
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23 ANS 3319C Reproductive Physiology and Endocrinology Endocrine Section Reproductive hormones ( gonadotropins ) _____________________________________________________________________ Other gonadotropin like hormones (placental origin) hCG (human chorionic gonadotropin) & eCG (equine chorionic gonadotropin) Other AP hormones w/ indirect & direct actions on reproduction Growth Hormone, Thyroid Stimulating Hormone, Prolactin Adrenocorticotropic Hormone (ACTH) ___________________________________________________________________ (Fig 5-6) ________________________________________________________________________ ______________________________________________________________ (Fig 4-3) (+) HYPO neurons & hormones travel down nerve axons to PP capillary plexus Hormone characteristics ____________________________________ (Table 5-1) _____________________________________________ _____________________________________________ _____________________________________________ Chemical types of hormones ___________________________________ (i.e., GnRH) ___________________________________ (i.e., prolactin) ____________________________________________________________________ (Fig 5-8)
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This note was uploaded on 11/23/2011 for the course ANS 3319C taught by Professor Yelich during the Fall '07 term at University of Florida.

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Topic3_Notes_ANS3319CEndo_Final - ANS 3319C Reproductive...

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