The document defines and provides examples of two medical terms: polydipsia and adipsia, which refer to excessive thirst and absence of thirst respectively, with polydipsia often associated with diabetes. It also defines and gives examples of the term "stimulate", explaining it means to have an effect on a target organ, and provides gonadotropins and somatotropin as examples, noting gonadotropins stimulate hormone release in ovaries and testes while somatotropin stimulates growth and cell division.