Depressor labii inferioris muscle
Depressor labii inferioris muscle |
---|
origin |
Mandible |
approach |
Corner of the mouth |
function |
Lowering of the lower lip |
Innervation |
Facial nerve |
The muscle depressor labii inferioris ("pulling down the lower lip") is a skin muscle of the head. The muscle originates in the lower jaw between the mentalis muscle and the depressor anguli oris muscle . The muscle radiates into the lower lip , where its muscle fibers intersect with those of the orbicularis oris muscle . The muscle belongs to the mimic muscles and pulls the lower lip down. It is innervated by the facial nerve.
Web links
- Entry on Musculus depressor labii inferioris in Flexikon , a Wiki of the DocCheck company (animated muscle with skin that can be faded in and out)