Term
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Definition
| collective term for the mm. inserting into the aponeurosis. most important is occipitofrontalis m. |
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Term
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Definition
| one of the epicranius mm. frontal belly AKA frontalis m. occipital belly is biventer. attaches to external occipital protuberance and supreme nuchal line in back. |
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Term
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Definition
| horizontal wrinkles to bridge of nose |
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Term
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Definition
| transverse part, acts to constrict the nares. alar part, acts to dilate the nares. |
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Term
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Definition
| muscle that passes from the alveolar wall over the medial incisor tooth to the cartilaginous nasal septum and draws the tip of the nose inferiorly. |
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Term
| corrugator supercili muscle |
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Definition
| muscle that passes laterally from teh nasal part of the frontal bone into the skin of the eyebrow. produces wrinkling of the forehead. |
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Term
| depressor supercilli muscle |
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Definition
| muscle that passes upward from teh dorsum of the nose to teh skin of the forehead. |
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Term
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Definition
| palpable muscular point lateral to angle of mouth as this is a point of convergence for seven facial muscles acting on the angle of the mouth. |
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Term
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Definition
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Term
| levator labii superioris alaeque nasi |
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Definition
| inserts on nasal ala and upper lip |
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Term
| depressor labii inferioris muscle |
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Definition
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Term
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Definition
| between R and L triangularis mm |
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Term
| innervation of masticatory mm |
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Definition
| portio minor (motor root of V) |
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Term
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Definition
| innervates posterior scalp mm., posterior belly of digastricus, and stylohyoid mm. |
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Term
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Definition
| facial n branches that innervate scalp mm. not innervated by posterior auricular n.; innervates muscles of facial expression. |
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Term
| why is damage to the parotid gland a huge deal |
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Definition
| the intraparotid plexus goes through the parotid gland. it is hard to remove the parotid gland w/o damaging the facial nn. |
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Term
| five branches of the intraparotid plexus and what they innervate |
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Definition
temporal branches: to muscles above ear and palpebral fissure (eyelid opening)
zygomatic branches: to facial mm between palpebral and oral fissures
buccal branches: to buccinator m. and mm. near oral fissure
marginal mandibular branch: to facial mm below the oral fissure
cervical branch: to platysma |
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Term
| parotid duct: where it goes |
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Definition
| crosses the surface of the masseter m. and pierces the buccinator. opens into the oral vestibule adjacent the upper 2nd molar tooth. |
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Term
| V1 sensory nerve branches |
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Definition
| infratrochlear, supratrochlear, supraorbital, superior lateral palpebral, and external nasal branch of anterior ethmoidal nn. |
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Term
| V2 sensory nerve branches |
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Definition
| infraorbital (inferior palpebral, external nasal, internal nasal, superior labial branches) and zygomaticofacial nn |
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Term
| V3 sensory nerve branches |
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Definition
| auriculotemporal, buccal, and mental (branch of inferior alveolar) nn. |
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Term
| cervical plexus sensory nerve branch to face |
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Definition
| anterior branch of great auricular n. |
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