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Anatomy

Muscles of the Face

QuestionAnswer
Occipitofrontalis draws scalp posteriorly & raises eyebrows as in an expression of surprise
Anterior Auricular m. pulls pinna (external ear) anteriorly
Collective name of group including occipitofrontalis & its galea aponeurotica & temporoparietalis m. Muscle Epicranius
Temporoparietalis m acts in helping to keep the scalp tight
Posterior Auricular m pulls pinna (external ear) posteriorly
Superior Auricular m pulls pinna superiorly
Name the sphincter muscle consisting of pars orbitalis, pars palpebralis, pars lacrimalis Orbicularis Oculi
Corrugator Supercilii draws eyebrows downward & medially as in frowning
Pars orbitalis gently closes eye
Pars palpebralis closes eyelids tightl
Pars lacrimalis compresses lacrimal sac & draws lacrimal puncta (openings leading to sac) medially
Procerus draws medial angle of eyebrows downward & wrinkles skin on bridge of nose
Muscle consisting of pars alaris and pars transversa Nasalis
Depressor Septi Nasi controversial; constricts the nostril (according to Gray's Anatomy, American Ed. - opposite action to that listed in Moore)
Levator Labii Superioris: raises upper lip
Levator Labii Superioris Alaeque Nasi raises upper lip and dilates naris (nostril)
Zygomaticus Minor moves upper lip upward & outward
Zygomaticus Major the "laughing muscle", raises corner of mouth as in laughing
Levator Anguli Oris raises angle (corner) of the mouth as in disdain
Risorius "smile (grin) muscle"; draws corner of mouth laterally as in smiling
Depressor Anguli Oris depresses angle (corner) of mouth
Buccinator compresses cheeks against teeth during mastication ! ! (chewing) and also during blowing (e.g., while blowing a trumpet)
Depressor Labii Inferioris depresses lower lip
Mentalis protrudes lower lip & wrinkles skin on chin
Sphincter muscle consisting of pars marginalis pars labialis Orbicularis Oris (Kissing Muscle)
Platysma Muscle retracts & depresses angle of mouth as in horror, producing wrinkles on skin of neck; also helps in depressing mandible
Created by: Joel.Martens
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