Depressor Health Dictionary

(1) A muscle that lowers or ?attens a part of the body.

(2) The name given to a nerve by whose stimulation motion, secretion, or some other function is restrained or prevented: for example, the depressor nerve of the heart slows the beating of this organ.

n. 1. a muscle that causes lowering of part of the body. The depressor labii inferioris is a muscle that draws down and everts the lower lip. 2. a nerve that lowers blood pressure.