ch.18 - vocabs Flashcards
corticosteroids
hormones produced by the adrenal cortex
catecholamines
hormones derived from an amino acid and secreted by the adrenal medula
electrolyte
mineral salt in the blood and tissues; proper functioning of cells
glucocorticoid
secreted by the adrenal cortex; regulates glucose, fat, and protein metabolism
homeostasis
tendency of an organism to maintain an constant internal environment
hormone
chemical secreted by an endocrine gland- influences the structure or function of an organ or gland
hypothalamus (where)
region of the brain laying below the thalamus and above the pituitary gland
hypothalamus (what do)
secreted releasing factors and hormones that affect the pituitary gland
mineralocorticoid
steroid hormone that regulates mineral salts and water balance in the body
receptor
cellular or nuclear protein that binds to a hormone so that a response can be elicited
sella turcica
cavity at the based of the skull
sex hormones
steroid produced by the adrenal cortex to influence male and female sex characteristics
steroid
substance related to fats and where many hormones are made
sympathomimetic
mimicking or copying the effect of the sympathetic nervous system
target tissue
cells of an organ that are affected or stimulated by specific hormones