Origin
Nasal bone and the lateral nasal cartilage.
Insertion
Into the skin of the lower part of the forehead.
Blood supply
Ophthalmic artery.
Nerve supply
Facial nerve.
Action
It helps to pull down the skin between the eyebrows and helps in flaring the nostrils. It also helps in expression of anger.
Disease/Injury
NA
Muscle Exercise
NA
Interesting fact
Continuous contraction of the procerus produces horizontal wrinkles at the root of the nose.
