Watch these videos to help you visualize essential concepts, theory and practice relevant to this chapter:

• PHAEOCHROMOCYTOMA (9:16)
• ENDOCRINE SYSTEM 1 (9:36)
• ENDOCRINE SYSTEM 2 (5:07)
• ENDOCRINE REGULATION (6:34)
• WHAT IS ACROMEGALY? (2:38)
• LIVING WITH ACROMEGALY (3:29)
• GIGANTISM (3:18)
• CUSHING'S SYNDROME (4:19)
• ADDISON'S DISEASE (7:21)