Chapter17EndoPart1Marieb

Chapter17EndoPart1Marieb - Chapter 17 1. 2. 3. 4. 5. The...

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Chapter 17 The Endocrine System, Part 1 1. An overview of hormones and the endocrine system 2. Describe the structural and functional organization of the hypothalamus and the pituitary and explain their relationship 3. Discuss the locations and structures of the thyroid and parathyroid glands. 4. List the hormones (and their function) produced by these glands. 5. Briefly review some examples of abnormal hormone production Developed by John Gallagher, MS, DVM
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Endocrine System Overview Ductless glands produce hormones Secreted directly into the bloodstream (endocrine) Except the thyroid Gland may be entire organ: Pituitary, thyroid, parathyroid, pineal, adrenal or bits of tissue interspersed within an organ Gonads, kidneys, many others Fig 17.1
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(p 516) Chemical classification of hormones Amino Acid Derivatives Proteins (longer) Peptides (shorter) Amines (derived from a single amino acid) Steroids (from cholesterol) Glucocorticoids, mineralocorticoids, sex hormones Eicosanoids (from arachidonic acid) Target tissues are identified by specific receptors (on target cells). The effects may be stimulatory or
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Chapter17EndoPart1Marieb - Chapter 17 1. 2. 3. 4. 5. The...

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