The document summarizes the major endocrine glands and their hormones. It describes the hypothalamus and pituitary gland which secretes six important peptide hormones. It also discusses the thyroid gland which produces thyroxine and triiodothyronine, regulating cellular metabolism. The parathyroid glands contain four glands which secrete parathyroid hormone regulating calcium levels. The pancreas has endocrine functions secreting insulin and glucagon to regulate blood sugar. The adrenal glands are composed of an outer cortex secreting glucocorticoids and mineralocorticoids, and an inner medulla secreting epinephrine and norepinephrine. The gonads are the testes and ovaries which produce sex