ANAT 2646 Hypothalamus - Area Postrema Functions Autonomic...

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Hypothalamus: Boundaries Superior: Hypothalamic sulcus Inferior: Optic chiasm, Tuber cinereum, mammillary bodies Anterior: lamina terminalis Posterior: midbrain tegmentum Medial: third ventricle Lateral: Internal capsule
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Parvocellular Neurons Reaches the median eminence Releasing or Inhibitory hormones ACTH-RH Thyrotropin-RH GH-RH; GH-IH Prolactin-RH; Prolactin-IH Gonadotropic-RH
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Magnocellular Neurons SON PVN Neurohypophysis herring bodies AVP OT
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Vasopressin Osmolality Decrease in blood pressure (hemorrhage)
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Oxytocin Myoepithelial cells of mammary glands Uterine smooth muscle
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Circumventricular Organs No Blood-Brain Barrier !!! Organum vasculosa of the lamina terminalis
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Unformatted text preview: Area Postrema Functions Autonomic Center Anterior Nucleus - Parasympathetic Posterior Nucleus - Sympathetic Temperature regulation Posterior Nucleus - lateral horn of the spinal cord Pyrogens Functions II Drinking (water) Zona Incerta Eating Lateral Nucleus - Feeding Ventromedial Nucleus - Satiety Mood (rage/fear) Lateral Nucleus Ventromedial Nucleus Functions III Sleep/Wake Suprachiasmatic Nucleus pineal body Posterior Nucleus (tuberomammillary) histamine Memory Mammillary bodies Limbic system...
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This note was uploaded on 11/23/2011 for the course ANAT 2646 taught by Professor Ronaldg.mayne during the Winter '11 term at Life Chiropractic College West.

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ANAT 2646 Hypothalamus - Area Postrema Functions Autonomic...

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