Stimulant

(stim' ' -u-lant) (stimulus, a goad. I. Quickening or increasing some trophic or functional proce . 2. An agent exciting the functions of an organ or some proce of the economy. S., Cardiac, one that increases the heart's action. S., Cerebral, one that exalts the action of the cerebrum. S., Cutaneous, one that increases the activity of the skin, producing diaphoresis. S., Diffusive, one that has a prompt but transient effect. S., Hepatic, one that excites the liver. S., Intestinal, one that acts upon the intestinal tract. S., Local, one acting directly on the end organs of the sensory nerves of the skin. S., Renal, one producing diuresis. S., Spinal, one exciting the spinal cord. S., Stomachic, one giving tone to the stomach, aiding digestion, etc. S., Vasomotor, one exciting the vasomotor apparatus.