chapter 009 endocrine

Chapter 9The endocrine system

Copyright © Elsevier Ltd 2005. All rights reserved.

Figure 9.1 Positions of the endocrine glands.


Figure 9.2 The position of the pituitary gland and its associated structures.


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.


Figure 9.4 Negative feedback regulation of secretion of hormones by the anterior lobe of the pituitary gland.


Figure 9.5 Regulation of secretion of oxytocin through a positive feedback mechanism.


Figure 9.6 The position of the thyroid gland and its associated structures.


Figure 9.7 The microscopic structure of the thyroid gland.


Figure 9.8 Regulation of the secretion of thyroxine (T4) and triiodothyronine (T3).


Figure 9.9 The positions of the parathyroid glands and their related structures, viewed from behind.


Figure 9.10 Regulation of glucocorticoid secretion.


Figure 9.11 Regulation of aldosterone secretion.


Figure 9.12 Responses to stressors that threaten homeostasis. CRH = corticotrophin releasing hormone. ACTH = adrenocorticotrophic hormone.


Figure 9.13 Effects of normal and abnormal growth hormone secretion.


Figure 9.14 Facial features in acromegaly.


Figure 9.15 Features of Graves’ disease.


Figure 9.16 Features of cretinism.


Figure 9.17 Facial features of myxoedema.


Figure 9.18 Enlarged thyroid gland in simple goitre.


Figure 9.19 Characteristic positions adopted during tetanic spasms.


Figure 9.20 The systemic features of Cushing’s syndrome.


chapter 009 endocrine

Education

pituitary gland

enlarged thyroid gland

features of cretinism

secretion of thyroxine

facial features of myxoedema

adrenocorticotrophic

associated structures

features of graves disease