depressor anguli oris

(noun)

This muscle is opposite to the levator anguli oris and pulls the corners of the mouth downward, producing a frown.

Related Terms

Examples of depressor anguli oris in the following topics:

  • Facial Muscles

    • Orbicularis Oris - Muscle fibers that enclose the opening to the oral cavity.
    • The levator anguli oris (caninus) inserts at the corners of the mouth at an angle, and is associated with other muscles including the zygomaticus, triangularis, and orbicularis oris.
    • The depressor anguli oris (triangularis) is also associated with the corners of the mouth.
    • Located opposite to the levator anguli oris, it pulls the corners of the mouth downward, producing a frown.
    • The depressor labii inferioris is an analogous muscle that lowers the bottom lip.