The International E-magazine on Adolescent Health; Alcohol and Illegal Drug Use The International E-magazine on Adolescent Health; | Page 4

THE INTERNATIONAL E-MAGAZINE MAY 2014 Endocrine System Chart Endocrine gland Hypothalamus Hormones produced • • Posterior pituitary • • Hypothalamic – releasing (GnIH) Hypothalamicinhibiting (GnRH) ADH Oxytocin Hormone’s action • • • Anterior pituitary • • • • Thyroid • • TSH (Thyroid stimulating hormone) FSH, LH (Gonadotropic) GH (Growth) PRL (Prolactin) T3 + T4 Calcitonin • • • • • • Control the release of hormones from the anterior pituitary gland. Reabsorbs water in the collecting ducts of the nephron. Uterine muscle contractions and dilation of the cervix. Release of thyroid hormones from the thyroid gland Helps with the production of sperm and eggs. Helps with cell division, protein synthesis, and bone growth. Milk production. Control Metabolism Lowers blood calcium level. Control of hormone release • Negative Feedback Disorders • • Negative Feedback • Positive Feedback Diabetes Insipidus (ADH) • • • • • Negative Feedback • Negative Feedback Negative Feedback • Positive Feedback Negative Feedback • Too little GH = Dwarfism Too much GH = Gigantism Too much GH as an adult = Acromegaly • Negative Feedback Negative Feedback Too much TSH = Hyperthyroidism = Grave’s disease, Exophthalmos (TSH) Insufficient TSH = Hypothyroidism Insufficient TSH in children = Cretinism. • • • • Parathyroids • Parathyroid Pancreas • • Insulin Glucagon Ovaries Testes • • • Estrogen Progesterone Testosterone Raise blood’s calcium • level. • Lowers blood’s glucose • level • • Raises blood glucose level. Negative Feedback Stimulates female sex characteristics. Stimulate male sex characteristics. N egative Feedback Negative Feedback Negative Feedback 4 • • • Negative Feedback • Negative Feedback • Diabetes Mellitus = Type 1 = Not enough insulin. Type 2 = Too much insulin