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54 Cards in this Set
- Front
- Back
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What are the four muscles of mastication?
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medial pterygoid, lateral pterygoid, temporalis, and masseter
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What are the five suprahyoid muscles?
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anterior belly of digastric, posterior belly of digastric, mylohyoid, geniohyoid, and stylohyoid
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Which suprahyoid muscles are classified as anteriors?
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anterior belly of digastric, mylohyoid, and geniohyoid
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Which suprahyoid muscles are classified as posteriors?
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posterior belly of digastric and stylohyoid
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What are the four infrahyoid muscles?
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Sternohyoid, sternothyroid, thyrohyoid, and omohyoid
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What are the three extrinsic muscles of the tongue?
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genioglossus, styloglossus, hyoglossus
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What is the insertion, action and nerve of the intrinsic muscles of the tongue?
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I: throughout the tongue
A: fine movement; speech and movement of food N: 12th cranial nerve |
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What two muscles are classified as cervical muscles?
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sternocleidomastoid and trapezius
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What are the two muscles of the pharynx?
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stylopharyngeus and pharyngeal constrictor
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What are the four muscles of the soft palate?
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palatoglossus, palatopharyngeus, levator veli palatini, and tensor veli palatini
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What two muscles are attached to the pterygomandibular raphe?
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buccinator and superior pharyngeal constrictor
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What are the three epicranial muscles of facial expression?
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frontalis, galea aponeurotica, occipitalis
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What two muscles of facial expression are used for frowning?
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frontalis and currugator supercilii
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What three muscles are used for surprise?
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frontalis, galea aponeurotica, and occipitalis
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What three muscles are used for smiling?
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zygomaticus major, zygomaticus minor, and levator anguli oris
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What two muscles are used for grimacing?
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platysma and risorius
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What two muscles raise the upper lip?
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levator labii superioris and levator labii superioris alaeque nasi
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What two muscles lower the lower lip?
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depressor anguli oris and depressor labii inferioris
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Which muscle raises the chin and protrudes the lower lip?
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Mentalis
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Which muscle closes the eyelid?
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orbicularis oculi
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Which muscle makes the kissing motion/closes lips?
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orbicularis oris
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Which muscle helps in the manipulation of food?
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buccinator
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Which cranial nerve are all the muscles of facial expression ennervated by?
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7th
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Medial Pterygoid?
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O: pterygoid fossa of the sphenoid bone
I: Inner aspect of the angle of the mandible A: closes the mandible |
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Lateral Pterygoid?
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O: Greater wing of the sphenoid and lateral pterygoid plate of the sphenoid
I: pterygoid fovia of the mandible A: protrusion, opening the jaw, lateral movement |
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Which nerve are all the muscles of mastication ennervated by?
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third division of the fifth cranial nerve
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Temporalis?
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O:temporal fossa
I: coronoid process A: closes jaw, retracts |
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Masseter?
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O: zygomatic arch
I: angle/ramus of the mandible (outer aspect) A: to close mandible |
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Anterior belly of digastric?
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O: intermediate tendon
I: Inner surface of the mandible (area of genial tubercles) A: opening jaw; pulls hyoid forward and up N:3rd division of fifth cranial nerve |
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Mylohyoid?
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O: mylohyoid line
I: hyoid bone A: opening jaw, pull hyoid forward and up N: 3rd division of fifth cranial nerve |
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Geniohyoid?
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O: geniotubercles
I: hyoid bone A: opening jaw; pulls hyoid forward and up N: nerve that comes out of Cervical vertebra #1 |
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Posterior Belly of Digastric?
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O: mastoid process
I: intermediate tendon A: pulls hyoid up and back N: 7th cranial nerve |
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Stylohyoid?
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O: styloid process
I: hyoid bone A: pulls hyoid bone up and back N: 7th cranial nerve |
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What is the action of all infrahyoid muscles? innervation?
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to depress hyoid; cervical vertebra #2 and #3
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Sternohyoid?
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O: sternum
I: hyoid bone |
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sternothyroid?
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O: sternum
I: thyroid cartilage |
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thyrohyoid?
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O: thyroid cartilage
I: hyoid bone |
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Omohyoid?
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O: scapula
I: hyoid bone |
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Genioglossus?
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O: genial tubercles
I: tongue A: protrudes tongue |
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Styloglossus?
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O: styloid process
I: tongue A: retracts tongue |
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What are the muscles of the tongue innervated by?
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the 12th cranial nerve
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Hyoglossus?
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O: hyoid bone
I: tongue A: depresses tongue |
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Sternocleidomastoid?
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O: sternum and clavicle
I: mastoid process A: both-head tilts forward; one-face goes the opposite direction |
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What nerve are the cervicle muscles innervated
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the 11th cranial nerve
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Trapezius?
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O:1. occipital bone
2. midline of cervical vertebrae 3. midline of thoracic vertebrae I: clavicle and scapula A: lifts shoulders |
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What is the action of the muscles of the pharynx?
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elevated and widens pharynx
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What is the insertion and nerve of all the parts of the pharyngeal constrictor?
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I: median pharyngeal raphe
N: Pharyngeal plexus (group of nerves) |
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Superior pharyngeal constrictor?
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O: hamulus, mandible, and pterygomandibular raphe
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Middle pharyngeal constrictor?
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O: hyoid bone and stylohyoid muscle
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Inferior pharyngeal constrictor?
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O: thyroid and cricoid cartilages
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Palatoglossus?
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A: forms anterior faucial pillars
N: pharyngeal plexus |
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Palato pharyngeus?
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A: forms posterior faucial pillars
N: pharyngeal plexus |
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Levator veli palatini?
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A: raises soft palate
N: pharyngeal plexus |
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Tensor veli palatini?
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A: lowers soft palate
N: third branch of fifth cranial nerve |
