- a person or thing that depresses.
- an instrument for pressing down a protruding part, as a tongue depressor.
- Anatomy.
- a muscle that draws down a part of the body, as the corner of the mouth.
- a nerve that, when stimulated, induces a decrease in activity, as a slowed heartbeat.
- a person or thing that depresses
- any muscle that draws down a part
- an instrument used to press down or aside an organ or part
- any nerve that when stimulated produces a fall in blood pressure by dilating the arteries or lowering the heartbeat
