A damper is a device that deadens, restrains, or depresses. Lastly, it depresses breathing and heart rate by inhibiting neuronal functioning of the medulla. The omohyoid muscle is a muscle that depresses the hyoid. The hyoglossus, arises from the hyoid bone and retracts and depresses the tongue. The hyoglossus depresses and retracts the tongue and makes the dorsum more convex. When Edgar depresses the trigger steam comes out. Zinc deficiency depresses immunity, but excessive zinc does also. When acting on its own this muscle depresses and abducts the eyeball. The gunner then provides target lead and depresses the trigger all the way. The subclavius depresses the shoulder, carrying it downward and forward. It depresses, adducts, and helps extort the eye. For example, anergy is present in AIDS, a disease which strongly depresses the immune system. The taxation and demographics of the area depresses the retail sector of Vancouver's economy. He demonstrated that the creation of public debt depresses savings in a growing economy. This leads Harriet's parents to confiscate her notebook, which only depresses Harriet further.