depressor anguli oris muscle
The Depressor anguli oris (Triangularis) arises from the oblique line of the mandible, whence its fibers converge, to be inserted, by a narrow fasciculus, into the angle of the mouth. [ http://en.wikipedia.org/wiki/Depressor_anguli_oris_muscle ]
Term info
depressor anguli oris muscle
http://upload.wikimedia.org/wikipedia/commons/3/36/Gray381.png
uberon
triangularis muscle, depressor anguli oris, musculus depressor anguli oris, triangularis
UBERON:0008597