Lower lip
Encyclopedia
The lower lip covers the anterior body of the mandible.

It is lowered by the Depressor labii inferioris muscle
Depressor labii inferioris muscle
The depressor labii inferioris is a facial muscle that helps lower the bottom lip.-Structure:This muscle arises from the oblique line of the mandible, and inserts on the skin of the lower lip, blending in with the orbicularis oris muscle.At its origin, depressor labii is continuous with the fibers...

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