As an MD Biochemistry 2nd year pg student, I want to make a seminar on biochemical aspects and disorders of the pituitary gland (Cushing, diabetes insipidus, SIADH), adrenal gland - cortex (Cushing,addison conn's and congenital adrenal hyperplasia) & medulla(pheochromocytoma) and thyroid (hyperthyroidism, hypothyroidism & goitre & ca thyroid). Give me an outline with reference to Tietz's textbook of clinical biochemistry and molecular diagnosis, 8th international edition, with page number references and try to cover all important and necessary points for the seminar