|biochem MAO an enzyme present in nerve tissue that is responsible for the inactivation of neurotransmitters|
|a gadget; dingus; thingumbob.|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
monoamine oxidase n.
An enzyme in the cells of most tissues that catalyzes the oxidative deamination of monoamines such as serotonin.