Origin
Mandible
Insertion
The lower lip skin and the orbicularis oris muscle.
Blood supply
Facial artery.
Nerve supply
Facial nerve.
Action
Helps to depress the lower lip.
Disease/Injury
NA
Muscle exercise
NA
Interesting facts
NA
DEPRESSOR LABII INFERIORIS
The depressor labii inferioris muscle is located in the lower jaw bilaterally. It is quadrilateral in shape.
