Endocrine glands – organization. Cellular communication by endocrine glands. Endocrine receptor binding control of endocrine action. Endocrine glands functions; the hypothalamus, the pituitary, the parathyroid, adrenal cortex, adrenal medulla. The gonads and reproductive endocrinology. Foeto-placental function. Endocrine control of metabolism and endocrine diseases/disorders, water imbalance, insulin action, thyroid hormone and reproduction. Investigation of male and female infertility.