激素

hormone

to arouse / to incite / to excite / to stimulate / sharp / fierce / violent

raw silk / white / plain, unadorned / vegetarian (food) / essence / nature / element / constituent / usually / always / ever

sex hormone

growth hormone

progesterone

growth hormone

testosterone

glucocorticosteroid (corticosteroid hormone secreted by the adrenal cortex)

prolactin

estrogen

pheromone

vasopressin (biochemistry)