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Facial expression nw
Muscles of face expression
| Question | Answer |
|---|---|
| What is the name for the muscles of the scalp, and what are they | Muscle epicranius Ocipital frontalis -----and its glea aponeurotioca Temporoparietalis |
| Muscle draws the scalp posteriorly and raises eyebrows as in an expression of surprise. | Occipitofrontalis |
| a helmet like aponeurosis joining the frontal and occipital bellies of this muscle. | galea aponeurotica |
| arises from the fascia of the temporalis just above and anterior of the ear. it insertos into the galea aponeurotica. and functions to keep the scalp tight. | temporoparietalis |
| what are the three muscles that move the pinna ( external ear ) | anterior auricular posterior auricular superior auricular |
| pulls pinna anteriorly | anterior auricular |
| pulls pinna posteriorly | posterior auricular |
| pulls pinna superiorly | superior auricular |
| 2 muscles surrounding the eye | orbicularis oculi corrugator supercilii |
| three parts of orbicularis oculi | pars orbitalis pars palpebralis pars lacrimalis |
| peripheral outer muscle surrounding the orbit. closes the eye | pars orbitalis |
| inner part of eyelid, closes eye | pars palpebralis |
| lies deep to the palpebral part in the medial corner of eye. compresses lacrimal sac and draws lacrimal puncta medial | pars lacrimalis |
| draws eyebrows downward and medially as in frowning | corrugator supercilii |
| 3 muscles associated with the nose | procerus nasalis depressor septi nasi |
| 2 parts of nasalis | pars alaris pars transversa |
| draws medial angle of eyebrows downward and wrinkles skin on bridge of nose | procerus |
| widens nostril | pars alaris |
| depresses cartilage and compresses the nostris | pars transversa |
| constricts the nostril | depressor septi nasi |
| mouth muscles inserting on the upper lip | levator labii superioris levator labii superioris alaeque nasi zygomaticus minor |
| muscles of the mouth inserting on the corner of the mouth | zygomaticus major levator anguli oris risorius depressor anguli oris buccinator |
| raises upper lip | levator labii superioris |
| inserts on upper lip and alar part of nose. raises upper lip and dilates naris | lecator labii superioris alaegue nasi |
| arises from zygomatic bone and moves upper lip up and out | zygomaticus minor |
| arises from zygomatic bone, raises corners of mouth as in laughing | zygomaticus major |
| raises angle of the mouth as in disdain | levator anguli oris |
| draws corner of mouth laterally as in smiling | risorius |
| depresses angle of the mouth | depresor anguli oris |
| compresses cheeks against the teeth durring mastication and durring blowing | buccinator |
| muscles inserting on lower lip | depressor labii inferioris mentalis |
| depresses lower lip | depressor labii inferioris |
| protrudes lower lip and wrinkles the skin on chin | mentalis |
| what are the kissing muscles, and what are the parts | orbicularis oris --pars marginalis --pars labialis |
| peripheral part around lips | pars marginalis |
| central part around lips | pars labialis |
| thin, flat paper like muscle, O- fascia of cervical region. I-lower mandible and skin around moutn. A-retracts and depresses angle or the mouth as in horror | platysma muscle |
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