Neuroendocrine

Neuroendocrine - T3 Triiodothyronine T4 Thyroxine Posterior...

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Neuroendocrine Communication Raymond St. Marie
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Hypothalamus - Coordinates autonomic, somatic motor, and endocrine activities to maintain homeostasis . - Autonomic - Somatic - Endocrine
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Hypothalamus - Coordinates autonomic, somatic motor, and endocrine activities to maintain homeostasis . - Autonomic - Somatic - Endocrine
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Anterior Pituitary Posteri or Pituitar y Pituitary
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Hypothalamic Pituitary Communication Two Methods of communication: 1. Hypophyseal Portal System : Release of hormones into capillaries in hypothalamus that flow to capillaries in anterior pituitary 2. Neural Stalk: Neurons project from Hypothalamus to posterior pituitary
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Pituitary Posterior Pituitary Anterior Pituitary
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Anterior Pituitary Hormones
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_ _ Hypothalamus Thyroid Releasing Hormone Thyroid Stimulating Hormone Portal System T3 and T4 regulation of metabolism Negative Feedback Trophic Hormones Anterior Pituitary Thyroid
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Unformatted text preview: _ T3: Triiodothyronine T4: Thyroxine Posterior Pituitary Hormones Posterior Pituitary Hormones • Antidiuretic Hormone: – Increase reabsorption of water in Kidneys • Oxytocin : – Females • Uterine contractions • Milk ejection reflex – Both Males and Females • Social bonding Problems with Anterior Pituitary • Hypothyroidism – Lack of production of T3 + T4 – Lack of negative feedback from T3 and T4 – Overstimulation of pituitary (TSH) -> Overstimulation of Thyroid – Goiter Problems with Posterior Pituitary • Diabetes Insipidus – Insufficiency in ADH – Kidneys less effective at reabsorbing water • Excessive thirst/ urine volume • Lack of water in blood – Heart attack/ Stroke – Brain cell damage Contact Information • Raymond St. Marie – [email protected]..
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This note was uploaded on 02/27/2012 for the course BIO 0150 taught by Professor Roberts during the Fall '09 term at Pittsburgh.

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Neuroendocrine - T3 Triiodothyronine T4 Thyroxine Posterior...

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