| Term | Definition |
| acromegaly | enlargement of the head and extremities from excessive growth hormone |
| Addison's disease | deficiency in adrenocortical hormones |
| adenoma | tumor of a gland |
| congenital adrenal hyperplasia | genetic condition causing the adrenal glands to secrete steroid hormones unproportionally |
| Conn's syndrome | overproduction of aldosterone |
| cretinism | congenital condition caused by a lack of thyroid hormones |
| Cushing's syndrome | hypersecretion of cortisol |
| diabetes insipidus | congenital disorder from insufficient anitdiuretic hormone |
| diabetes mellitus | unable to remove sugars from the blood due to a lack of insulin secretion |
| diabetic nephropathy | renal insufficiency caused by diabetes |
| diabetic retinopathy | visual loss or blindness caused by diabetes |
| dwarfism | congenital disorder causing a small stature, caused by deficiency in growth hormone |
| erectile dysfunction | testosterone deficiency |
| exopthalmos | protrusion of the eyeballs, seen in Grave's disease |
| gigantism | congenital disorder causing excessive stature from overproduction of growth hormone |
| glycosuria | sugar in the urine |
| goiter | enlargement of the thyroid gland |
| gynecomastia | excessive breast development in males |
| Hashimoto's thyroiditis | chronic inflammation of the thyroid, usually from hypothyroidism |
| hirsutism | male patterned hair growth in females |
| hyperadrenalism | oversecretion of adrenal hormone, condition will vary, depending on which hormone is in overproduction |
| hypercalcemia | excessive calcium in the blood |
| hyperglycemia | high blood sugar, insufficient insulin |
| hypergonadism | overproduction of sex hormones |
| hyperkalemia | excessive potassium in the blood |
| hyperparathyroidism | excessive production of parathyroid hormone |
| hyperthyroidism (Grave's disease) | overactivity of the thyroid gland |
| hypoadrenalism | decreased function of the adrenal cortex |
| hypoglycemia | low blood sugar, excess insulin |
| hypogonadism | decreased production of sex hormones |
| hypoparathyrodism | hypocalcemia, underactivity of the parathyroid gland |
| hypopituitarism | deficiency of pituitary hormones |
| hypothyroidism | underactivity of the thyroid gland |
| ketoacidosis | acidosis due to excessive waste products called ketones in the blood stream, can be fatal |
| myxedema | severe form of hypothyroidism |
| obesity | abnormal amount of fat in the body |
| pheochromocytoma | tumor of the adrenal medulla |
| pituitary incidentaloma | nonfunctioning pituitary tumor |
| polydipsia | excessive thirst, usually seen with diabetes |
| polyuria | excessive urine, usually seen with diabetes |
| precocious puberty | early development |
| thyroiditis | inflammation of the thyroid gland |
| thyrotoxicosis | overproduction of the thyroid gland |
| virilism | development of male secondary sex characteristics in a female |
