Abnormal secretion of thyroxine produces
Hypothyroidism of and during fetal life and infancy leads to cretinism. It is a condition characterised by the retarded mental development, stunted growth, delayed puberty, decreased heart rate, pulse rate, blood pressure etc.,
Diabetes insipidus - Hyposecretion of ADH
Addison's disease - Hyposecretion of cortisol
Acromegaly - Hypersecretion of GH