| oxytocin | | antioxidant and amine hormone derived from serotonin |
| hypothalamus | | hormone that prevents wide swings in water balance |
| endemic | | follicle-stimulating and luteinizing hormone |
| permissiveness | | insulin-producing cells |
| norepinephrine | | butterfly shaped gland |
| antidiuretic | | low glucose levels |
| insulin | | released in higher amounts during childbirth |
| gonadotropins | | potent hyperglycemic agent |
| melatonin | | glucagon-synthesizing cells |
| aldosterone | | synthesized from cholesterol by the adrenal cortex |
| growth | | only gonadal adrenocortical hormones are these |
| pancreas | | the situation when one hormone cannot exert its full effects withou another hormone being present |
| parathyroid | | a mixed gland composed of both endocrine and exocrine gland cells |
| steroids | | produced by parafollicular cells in the thyroid |
| calcitonin | | funnel shaped stalk that connects pituitary gland and the hypothalamus |
| hypoglycemia | | lowers blood glucose |
| testosterone | | a condition where the thyroid gland enlarges and protrudes |
| corticosteroids | | produces and releases hormones |
| beta | | a hormone that is produced by somatotrophs |
| glucagon | | the most potent of the mineralocorticoids |
| infundibulum | | initiates the maturation of the male reproductive organs |
| alpha | | The scientific study of hormones and the endocrine organs |
| endocrinology | | the more prominent of the two catecholines |
| thyroid | | glands hidden in the thyroid gland |