The members of a legislature are called legislators. In a democracy, legislators are most commonly popularly elected, although indirect election and appointment by the executive are also used, particularly for bicameral legislatures featuring an upper chamber
Catecholamines are released into the blood when a person is under physical or emotional stress. The main catecholamines are dopamine, norepinephrine, and epinephrine (which used to be called adrenalin). This test is used to diagnose or rule out certain rare tumors, such as pheochromocytoma or neuroblastoma.
catecholamine â(plural catecholamines) (biochemistry) Any of a class of aromatic amines derived from pyrocatechol that are hormones produced by the adrenal gland. 1988, Lubert Stryer, Biochemistry, 3rd edition, p. 1025: Epinephrine and dopamine are two other catecholamine transmitters.