Depressor labii inferioris: O A. Is also called the "laughing muscle" OB. Pulls the angle of the mouth upward and latera
Posted: Sat Jul 02, 2022 10:09 pm
Depressor labii inferioris: O A. Is also called the "laughing muscle" OB. Pulls the angle of the mouth upward and laterally O C. Draws the lower lip down and laterally O D. Assists in expressions of doubt OE. A&B O F. C&D