chapter 009 endocrine
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Chapter 9The endocrine system
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Figure 9.1 Positions of the endocrine glands.
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Figure 9.2 The position of the pituitary gland and its associated structures.
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Figure 9.3 The pituitary gland: A. The lobes of the pituitary gland and their relationship with the hypothalamus. B. Synthesis and storage of antidiuretic hormone and oxytocin.
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Figure 9.4 Negative feedback regulation of secretion of hormones by the anterior lobe of the pituitary gland.
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Figure 9.5 Regulation of secretion of oxytocin through a positive feedback mechanism.
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Figure 9.6 The position of the thyroid gland and its associated structures.
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Figure 9.7 The microscopic structure of the thyroid gland.
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Figure 9.8 Regulation of the secretion of thyroxine (T4) and triiodothyronine (T3).
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Figure 9.9 The positions of the parathyroid glands and their related structures, viewed from behind.
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Figure 9.10 Regulation of glucocorticoid secretion.
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Figure 9.11 Regulation of aldosterone secretion.
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Figure 9.12 Responses to stressors that threaten homeostasis. CRH = corticotrophin releasing hormone. ACTH = adrenocorticotrophic hormone.
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Figure 9.13 Effects of normal and abnormal growth hormone secretion.
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Figure 9.14 Facial features in acromegaly.
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Figure 9.15 Features of Graves’ disease.
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Figure 9.16 Features of cretinism.
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Figure 9.17 Facial features of myxoedema.
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Figure 9.18 Enlarged thyroid gland in simple goitre.
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Figure 9.19 Characteristic positions adopted during tetanic spasms.
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Figure 9.20 The systemic features of Cushing’s syndrome.
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