Thyroid - Developmental Neuroendocrinology Hormones Endocrine hormones Secreted directly into the blood Controlled by pituitary(master gland and

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Developmental Neuroendocrinology
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Hormones Endocrine hormones Secreted directly into the blood Controlled by pituitary (master gland) and hypothalamus Exocrine Hormones Secreted into ducts Not controlled by pituitary gland or hypothalamus (e.g., gut hormones)
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Pituitary Gland (Hypophysis) Anterior Pituitary (Adenohypophysis) Posterior Pituitary (Neurohypophysis)
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Hypothalamus-Adenohypophysis
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Hypothalamus-Neurohypophysis
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Endocrine Hormones Neurohypophysial hormones Oxytocin Vasopressin Adenohypophysial hormones Direct Actions Prolactin Melanocyte-stimulating hormone (MSH) Somatotrophin (growth hormone; GH) Indirect actions Thyrotrophin (TSH) Corticotrophin (ACTH) Gonadotrophins Luteinizing Hormone (LH) Follicle-stimulating hormone (FSH)
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[Tetraiodothyronine (T 4 )] T 4 has relatively little biological activity; it is de-iondinated to T 3 , the active form of thyroid hormones, by the target tissue
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Thyroid Hormones and Development
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Growth Vs. Maturation Growth refers to increase in the size of a tissue, organ or organism. Maturation refers to emergence of a characteristic through growth or differentiation.
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X XV XX XXI XXII XXIII XVIII Thyroxine - independent Thyroxine - dependent apoptosis of
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This note was uploaded on 11/21/2011 for the course DEP 3053 taught by Professor Miller during the Fall '08 term at University of Florida.

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Thyroid - Developmental Neuroendocrinology Hormones Endocrine hormones Secreted directly into the blood Controlled by pituitary(master gland and

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