Quick Facts
Origin: Fascia covering nasal bone; lateral nasal cartilage.
Insertion: Skin of forehead.
Action: Depresses medial angle of eyebrow; wrinkles skin covering bridge of nose.
Innervation: Temporal and zygomatic branches of facial nerve (CN VII).
Arterial Supply: Facial artery.
Origin
The procerus muscle arises from the fascia lining the lower part of the nasal bone and from the upper part of the lateral nasal cartilage.
Insertion
The procerus muscle inserts into the skin of the lower forehead, between the eyebrows.
Key Features & Anatomical Relations
The procerus muscle is often blended with the medial portion of the formal part of the occipitofrontalis muscle.
Actions
The procerus muscle depresses the medial angle of the eyebrow and produces transverse wrinkles of the skin covering the bridge of the nose. This action is used when frowning (Standring, 2016).
List of Clinical Correlates
- Bell’s palsy
References
Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41st edn.: Elsevier Limited.
