Mentalis

Mentalis

Muscles of the head, face, and neck.
Latin	musculus mentalis
Gray's	subject #108 383
Origin	anterior mandible
Insertion	chin
Artery
Nerve	mandibular branch of facial nerve
Action	elevates and wrinkles skin of chin, protrudes lower lip

The Mentalis is situated at the tip of the chin. It raises and pushes up the lower lip, causing wrinkling of the chin, as in doubt or displeasure.

A movement disorder of the mentalis muscle is Geniospasm which is a benign but socially excluding genetic disorder.

Mandible. Outer surface. Side view.

References

External links

LUC men
-1469382576 at GPnotebook
Mentalis+muscle at eMedicine Dictionary

v • d • e

List of muscles of head and neck: the head

Extraocular (CN III, IV, VI)

oblique (inferior, superior) - rectus (superior, inferior, medial, lateral) - levator palpebrae superioris (superior tarsal)

Mastication (CN V3)

masseter - temporalis - pterygoid (lateral, medial)

Facial (CN VII)

Ear	auriculares (anterior, superior, posterior) - temporoparietalis

Scalp/eyelid	occipitofrontalis (occipitalis, frontalis) - orbicularis oculi (depressor supercilii) - corrugator supercilii

Nose	procerus - nasalis (dilatator naris) - depressor septi nasi - levator labii superioris alaeque nasi

Mouth	levator anguli oris - levator labii superioris - zygomaticus (major, minor) orbicularis oris - risorius - buccinator depressor anguli oris - depressor labii inferioris - mentalis

Mouth/throat (CN IX, X, XI)
(except TVP=V3)

Soft palate	veli palatini (tensor, levator) - musculus uvulae - palatopharyngeus (to pharnyx) - palatoglossus (to tongue)

Pharynx	pharyngeal constrictor (superior, middle, inferior) - longitudinal (stylopharyngeus, salpingopharyngeus)

Larynx	cricothyroid - cricoarytenoid (posterior, lateral) - arytenoid (oblique arytenoid/aryepiglottic, transverse arytenoid) - thyroarytenoid (vocal, thyroepiglottic)

Tongue (CN XII)

extrinsic (genioglossus, hyoglossus/chondroglossus, styloglossus) - intrinsic (superior longitudinal, inferior longitudinal, transverse, vertical)

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