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Muscles of the Face
AS&RM
| Question | Answer |
|---|---|
| What are the parts of the lips? | integument, mucous membrane, vermilion, philtrum, cupid's bow, and labial frenulum |
| What is the integument of the lips? | the skin of the lips |
| What is the mucous membrane of the lips? | the internal covering you can feel with your tongue inside the mouth |
| What is the vermilion of the lips? | the colored part |
| What is the philtrum of the lips? | the groove/ridges above the lip, consists of dimple, column, and tubercle |
| What is the philtral Dimple? | the groove between the ridges below the nose and above the lip |
| What is the philtral column? | the ridges below the nose and above the lip that help form the cupids bow |
| What is the philtral tubercle? | extra padding on the lip that can be picked off if chapped or burnt |
| What is the cupids bow? | the shape of the very top of thetopic lip |
| What is the white roll of the lip? | the reflective area on the cupid's bow, cannot be recreated |
| What is the labial frenulum? | the tissue that anchors the lips to gingiva (on the top lip and bottom) |
| What are the parts of the cheeks? | integument, mucous membrane, duct of parotid salivary gland, submandibular glad, sublingual gland, and adipose |
| What is the integument of the cheeks? | the skin on the outside of the cheeks |
| What is the mucous membrane of the cheeks? | the inside covering of the cheeks you can feel with your tongue |
| What is the duct of parotid salivary gland? | the largest salivary gland, dumps saliva posteriorly (around second molar) |
| What is the submandibular gland? | the second largest gland, under the mandible |
| What is the sublingual gland? | under the tongue, the smallest gland |
| What is the adipose of the cheeks? | makes the cheeks puffy, large in infants to protect muscles while sucking |
| What is another name for adipose of the cheeks? | buccal fat pack |
| What is the orbicularis muscle? | paired, superior and inferior, sphincter like muscle around the lips |
| What is the function of the orbicularis Oris? | helps pucker and close the lips (drinking from a straw, saying /p/, whistling |
| What is the location of the buccinator muscle? | deep to risorius muscle, originates from mandibular Raphe, inserts into upper and lower orbicularis oris |
| What is the function of the buccinator muscle? | helps keep food in mouth, brings checks inward, lips against teeth and cheeks against teeth, compresses inward |
| What is another name for the corners of the mouth? | the modiolus |
| What is the location of the risorius muscle? | superficial to buccinator, originates from fascial sheath covering the masseter and inserts into the modiolus |
| What is the function of the risorius muscle? | draws the corners of the mouth laterally and posteriorly |
| What muscle is a direct synergist to the buccinator? | the risorius muscle |
| What is the location of the Levator labii superioris? | the zygomatic bone, maxilla, and under the eye, inserts into the orbicularis oris, has three heads |
| What is the function of the levator labii superioris? | principle elevator of the upper lip |
| What are the three heads of the levator labii superioris? | the angular, infraorbital, and zygomatic heads |
| What is the location of the zygomatic major? | arises from the zygomatic bone and inserts into the modiolus |
| What is the function of the zygomatic major? | primary smiling muscle, draws mouth superior and lateral |
| What muscle makes dimples by splitting into two sections? | the zygomatic major |
| What is the location of the depressor labii inferioris? | originates from the oblique Line of the mandible and inserts into the lower lip |
| What is the function of the depressor labii inferioris? | draws the lower lip inferiorly, helps with pouting and frown |
| What muscles work to make a sad face? | depressors |
| What muscles work to make a happy face? | Levators |
| What is the function of the levator anguli Oris? | pulls the corner of the mouth upward (helps with smile, smirk, and Elvis face) |
| What is the course of the levator anguli Oris? | originates from canine fossa on maxillae and inserts into the upper and lower lips |
| What is the function of the depressor Anguli Oris? | lowers the corner of mouth |
| What is the course of the depressor Anguli Oris? | arises from the oblique Line of the mandible and inserts into the modiolus of the upper and lower lips |
| What is the function of the mentalis muscle? | rolls lower lip outward, helps with puckers and wrinkling chin skin |
| What is the course of the mentalis muscle? | arises from the mandible and inserts into skin of chin below |
| What type of muscle is the platysma | a muscle of the neck, but helps function as mandibular depressor |
| What is the function of the platysma | Can depress mandible or draw lips laterally |
| What is the course of the platysma? | arises from pectoral region of sternocleidomastoid and inserts in lower portion of mandible and deep surface of skin |
Created by:
hrshook0104
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