Term
| what is the origin of the orbicularis oris |
|
Definition
the nasal septum; the maxilla, and the mandible
and the angle of the mouth |
|
|
Term
| what is the insertion of the orbicularis oris? |
|
Definition
| the dermis of the lips and surrounding muscles |
|
|
Term
| what is the action of the orbicularis oris |
|
Definition
close mouth
protrusion of the lips
pursing of the lips |
|
|
Term
| what are the muscles of facial expression in the oral group |
|
Definition
orbicularis oris-----depressor anguli oris
levator anguli oris-----zygomaticus major
zygomaticus minor-------levator labii superioris
levator labii superioris alaeque-----risorius
depressor labii inferioris-----mentalis
buccinator |
|
|
Term
| what is the innervation of the orbicularis oris |
|
Definition
| buccal and mandibular branches of the VII |
|
|
Term
| what is the origin of the depressor anguli oris |
|
Definition
| oblique line of the mandible |
|
|
Term
| what is the insertion of the depressor anguli oris |
|
Definition
|
|
Term
| what is the action of the depressor anguli oris |
|
Definition
depresses the corners of the mouth
antagonizes the levator anguli oris |
|
|
Term
| what is the innervation of the depressor anguli oris |
|
Definition
|
|
Term
| what is the origin of the levator anguli oris |
|
Definition
| canine fossa of the maxilla |
|
|
Term
| what is the insertion point of the levator anguli oris |
|
Definition
|
|
Term
| what is the innervation of the levator anguli oris |
|
Definition
|
|
Term
| what is he action of the levator anguli oris |
|
Definition
| elevates the angle of the mouth |
|
|
Term
| what is the origin of the zygomaticus major |
|
Definition
| the temporal process of the zygomatic bone |
|
|
Term
| what is the insertion point of the zygomaticus major |
|
Definition
|
|
Term
| what is the action of the zygomaticus major? |
|
Definition
| helps elevate the upper lip |
|
|
Term
| what is the innervation of the zygomaticus major |
|
Definition
|
|
Term
| what muscle is called the "laughing muscle?" |
|
Definition
|
|
Term
| what is the origin of the zygomaticus minor |
|
Definition
| the maxillary process of the zygomatic bone |
|
|
Term
| what is the insertion point of the zygomaticus minor |
|
Definition
| lateral upper lip (medial to the corner of the lip) |
|
|
Term
| what is the action of the zygomaticus minor |
|
Definition
| helps elevate the upper lip |
|
|
Term
| what is the innervation of the zygomaticus minor |
|
Definition
|
|
Term
| what is the origin of the levator labii superioris |
|
Definition
| maxilla, zygoma, and alar cartilage |
|
|
Term
| what is the insertion ponit for the levator labii superioris |
|
Definition
|
|
Term
| what is the action for the levator labii superioris |
|
Definition
|
|
Term
| what is the innervation of the levator labii superioris |
|
Definition
| zygomaticus and buccal branches of the VII |
|
|
Term
| what is the origin of the levator labii superioris alaeque nasi? |
|
Definition
| maxilla near bridge of the nose |
|
|
Term
| what is the insertion point of the levator labii superioris alaeque nasi? |
|
Definition
| cartilage of nose and lateral upper lip |
|
|
Term
| what is the action of the levator labii superioris alaeque nasi? |
|
Definition
elevate the upper lip
dilate the nostril |
|
|
Term
| what is the innervation for the levator labii superioris alaeque nasi |
|
Definition
| zygomatic and buccal branches of VII |
|
|
Term
| what is the origin of the risorius |
|
Definition
| fascia overlying the parotid gland |
|
|
Term
| what is the insertion point for the risorius |
|
Definition
|
|
Term
| what is the action of the risorius |
|
Definition
| moves angle of the mouth laterally |
|
|
Term
| what is the innervation of the risorius |
|
Definition
|
|
Term
| what is the origin of the depressor labii inferioris |
|
Definition
| the oblqiue line of the mandible |
|
|
Term
| what is the insertion point of the depressor labii inferioris |
|
Definition
|
|
Term
| what is the action of the depressor labii inferioris |
|
Definition
|
|
Term
| what is the innervation of the depressor labii inferioris? |
|
Definition
|
|
Term
| what is the origin of the mentalis |
|
Definition
| the incisive fossa of the mandible |
|
|
Term
| what is the insertion point of the mentalis |
|
Definition
|
|
Term
| what is the action of the mentalis muscle |
|
Definition
|
|
Term
| what muscle is the "pouting" muscle |
|
Definition
|
|
Term
| what is the origin of the buccinator |
|
Definition
pterygomandibular raphe
alveolar margins of the maxilla and mandible |
|
|
Term
| what is the insertion point for the buccinator |
|
Definition
|
|
Term
| what is the action of the buccinator |
|
Definition
keeps bolus between cheek and teeth
helps forcibly expel air or create sucking action |
|
|
Term
| what is the innervation of the buccinator |
|
Definition
| buccal branch of the buccinator |
|
|
Term
| what makes the pterygomandibular raphe? |
|
Definition
| where the buccinator muscle and the superior pharyngeal constrictor muscle meet |
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|
