[X]
01
Click on the structure to specify the target of your label
01
  • labels

Depressor labii inferioris

Other Terms: Musculus Depressor labii inferioris, Muscle abaisseur de la lèvre inférieure

Muscle parts

None

Latin name

Musculus depressor labii inferioris

Latin muscle parts

None

Group

Branchial arch muscle – second arch (Facial muscle)

Etymology

The English for this muscle name is the muscle that presses down the lower lip. Depressor comes from the Latin de meaning “down” and premere meaning “to press.” Labium is the Latin term for “lip.” The word inferior is Latin for “lower.”

Origin

Oblique line of the mandible between the mental foramen and the midline

Insertion

Blends with the orbicularis oris and the skin of the lower lip

Action

The muscle pulls the inferior lip downward and slightly to the lateral side. It also contributes to eversion of the lower lip.

Nerve supply

Facial nerve (Cranial nerve VII)

Blood supply

Inferior labial branch of the facial artery

Latin

Musculus Depressor labii inferioris

French

Muscle abaisseur de la lèvre inférieure

Comments

Related Images

View All