ch32_lecture - Endocrine Control Chapter 32 Hormones*...

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Endocrine Control Chapter 32
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Hormones* Secreted by endocrine glands, endocrine cells, and certain neurons Animal hormones travel through the bloodstream to nonadjacent target cells
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Other Signaling Molecules* Neurotransmitters Local signaling molecules Pheromones
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Endocrine System* Main Sources Pituitary gland Adrenal glands Thyroid gland Parathyroid glands Pineal gland Thymus gland
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Two Main Hormone Types* Steroid hormones Derived from cholesterol Estrogens, progestins, androgens (such as testosterone), cortisol, aldosterone Peptide hormones Peptides, proteins, or glycoproteins Glucagon, ADH, oxytocin, TRH, insulin, somatotropin, prolactin, FSH, LH, TSH
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Steroid Hormone Action * Most diffuse across the plasma membrane and bind to a receptor Hormone-receptor complex acts in nucleus to inhibit or enhance transcription
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Hormones* receptor hormone-receptor complex gene product hormone Most diffuse across the plasma
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This note was uploaded on 04/23/2011 for the course BIO 101 taught by Professor Nchowdhury during the Spring '11 term at BRAC University.

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ch32_lecture - Endocrine Control Chapter 32 Hormones*...

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