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Procerus Muscle
Muscular System

Procerus Muscle

Musculus procerus

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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.

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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.

Learn more about this topic from other Elsevier products

Procerus Muscle

ScienceDirect image

The procerus muscle may not be easily visualized and can be injected in the midline at the crossing point of an X that intersects the medial brows and the contralateral medial canthi (Fig. 26-4).

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Complete Anatomy

The world's most advanced 3D anatomy platform

Complete Anatomy