U.7 Hormones Flashcards
epinephrine / adrenaline
origin: adrenal medulla
target: cells in many organs
action: stimulates fight-or-flight in response to stress
insulin
origin: pancreas
target: primarily liver cells
action: stimulates cells to take in glucose thereby decreasing blood sugar levels
glucagon
origin: pancreas
target: primarily liver cells
action: stimulates the process of gluconeogenesis and glycogenolysis to increase blood glucose levels
thyroid stimulating hormone (TSH)
origin: adenohypophysis
target: thyroid gland
action: stimulates the thyroid gland to produce T4 and T3
triiodothyronine (T3) and thyroxine (T4)
origin: thyroid gland
target: cells throughout the body
action: stimulate metabolism
parathyroid hormone (PTH)
origin: parathyroid glands
target: bones and kidneys
action: helps regulate calcium levels in the blood
testosterone
origin: gonads
target: many cells in the body
action: stimulate development of sperm and male secondary sex characteristics
estrogen
origin: gonads
target: endometrium of the uterus and many other cells in the body
action: stimulates development of female secondary sex characteristics and process to prepare for pregnancy