Term
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Definition
Origin: corner of lips
Insertion: opposite corner of lips
Function: Round, Protrude, & Compress Lips
Innervation: CN VII (Facial) |
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Term
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Definition
Origin: infraorbital margin of maxilla
Insertion: upper lip
Function: elevate upper lip
Innervation: CN VII (Facial) |
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Term
| levator labii superioris alaeque nasi |
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Definition
Origin: frontal process of maxilla
Insertion: upper lip
Function: elevate upper lip
Innervation: CN VII (Facial) |
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Term
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Definition
Origin: maxilla (below infraorbital margin)
Insertion: corner of mouth
Function: elevate upper lip
Innervation: CN VII (Facial) |
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Term
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Definition
Origin: zygomatic bone
Insertion: corner of mouth
Function: retract lips
Innervation: CN VII (Facial) |
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Term
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Definition
Origin: fascia of masseter muscle
Insertion: corner of mouth
Function: retract lips
Innervation: CN VII (Facial) |
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Term
| depressor labii inferioris |
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Definition
Origin: mandible
Insertion: lower lip
Function: depress lower lip
Innervation: CN VII (Facial) |
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Term
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Definition
Origin: mandible
Insertion: corner of mouth & upper lip
Function: depress lower lip
Innervation: CN VII (Facial) |
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Term
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Definition
Origin: mandible
Insertion: skin of chin below lower lip
Function: protrude lower lip & wrinkle chin
Innervation: CN VII (Facial) |
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Term
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Definition
Origin: pterygomandibular ligament
Insertion: corner of mouth
Function: compress cheeks
Innervation: CN VII (Facial) |
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Term
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Definition
Origin: zygomatic arch
Insertion: angle of ramus of mandible
Function: Elevate Jaw (Close Mouth)
Innervation: CN V (Trigeminal) |
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Term
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Definition
Origin: temporal bone
Insertion: coronoid process of mandible
Function: Elevate Jaw (Close Mouth)
Innervation: CN V (Trigeminal) |
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Term
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Definition
Origin: medial pterygoid plate of sphenoid bone
Insertion: medial surface of angle of mandible
Function: Elevate Jaw (Close Mouth)
Innervation: CN V (Trigeminal) |
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Term
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Definition
Origin: lateral pterygoid plate of sphenoid bone
Insertion: condylar process of mandible
Function: Protrude Jaw
Innervation: CN V (Trigeminal) |
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Term
| anterior bell of digastric muscle |
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Definition
Origin: sympysis of mandible
Insertion: hyoid bone
Function: Depress Jaw (Close Mouth)
Innervation: CN V (Trigeminal) |
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Term
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Definition
Origin: mylohyoid groove of mandible
Insertion: hyoid bone
Function: Depress Jaw (Close Mouth)
Innervation: CN V (Trigeminal) |
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Term
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Definition
Origin: fascia of pectoralis major
Insertion: lower margin of mandible
Function: Depress Jaw (Close Mouth)
Innervation: CN VII (Facial) |
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Term
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Definition
Origin: symphysis of mandible
Insertion: hyoid bone
Function: Depress Jaw (Close Mouth)
Innervation: CN XII (Hypoglossal) |
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Term
| superior longitudinal muscle of tongue |
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Definition
Course: back to front of tongue
Innervation: XII (Hypoglossal)
Action: elevate tongue tip, retract tongue, pull tongue to side |
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Term
| inferior longitudinal muscle of tongue |
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Definition
Course: back to front of tongue (lateral to midline)
Innervation: XII (Hypoglossal)
Actions: depress tongue tip, retract tongue, pull tongue to side |
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Term
| transverse muscle of tongue |
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Definition
Course: midline to lateral edges of tongue (Sideways from edge of tongue to middle)
Innervation: XII (Hypoglossal)
Actions: Narro the tongue (pull sides to middle) |
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Term
| vertical muscle of tongue |
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Definition
Course: inferior to superior surface of tongue
Innervation: XII (Hypoglossal)
Actions: flatten the tongue, pull tongue inferiorly |
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Term
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Definition
Origin: inner surface of mental symphysis
Insertion: all along tongue at midline (fan-like)
Function: protrude tongue, depress tongue
Innervation: XII (Hypglossal) |
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Term
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Definition
Origin: hyoid bone
Insertion: sides of tongue
Function: pull sides of tongue down
Innervation: XII (Hypoglossal) |
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Term
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Definition
Origin: styloid process of temporal bone
Insertion: sides of tongue
Function: retract tongue, raise tongue (back and up)
Innervation: XII (Hypoglossal) |
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Term
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Definition
Origin: temporal bone, near styloid process
Insertion: midline of velum
Function: pull velum up & back
Innervation: X (Vagus) pharyngeal branch |
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Term
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Definition
Origin: posterior nasal spine
Insertion: uvula
Function: shorten velum & uvula
Innervation: X (Vagus) pharyngeal branch |
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Term
| palatoglossus (anterior faucial pillar) |
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Definition
Origin: midline of velum
Insertion: sides of tongue
Function: depress velum (raise tongue)
Innervation: X (Vagus) pharyngeal branch) |
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Term
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Definition
Origin: sphenoid bone (between medial & lateral pterygoid plates)
Insertion: passes hamulus of medial pterygoid plate, to midline of velum
Function: depress velum (narrow pharynx)
Innervation: X (Vagus) pharyngeal branch |
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Term
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Definition
Origin: sphenoid bone (Between medial & lateral pterygoid plates)
Insertion: passes hamulus of medial pterygoid plate, to midline of velum
Function: opens Eustachian tube
Innervation: V (Trigeminal) |
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Term
| superior pharyngeal constrictor |
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Definition
Origin: pterygomandibular ligament
Insertion: midline of posterior pharynx
Function: narrow nasopharynx (close velopharyngeal port - Passavant's pad)
Innervation: X (Vagus) pharyngeal branch |
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Term
| middle pharyngeal constrictor |
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Definition
Origin: hyoid bone
Insertion: midline of posterior pharynx
Function: narrow oropharynx
Innervation: X (Vagus) pharyngeal branch |
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Term
| inferior pharyngeal constrictor |
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Definition
Origin: sides of cricoid cartilage
Insertion: opening of esophagus
Function: narrow hypopharynx
Innervation: X (Vagus) pharyngeal branch |
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Term
| cricopharyngeus (upper esophageal sphincter, UES) |
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Definition
Origin: sides of cricoid cartilage
Insertion: opening of esophagus
Function: constrict upper esophogeal opening
Innervation: X (Vagus) pharyngeal branch |
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Term
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Definition
Origin: Eustachian tube
Insertion: palatopharyngeus muscle (to thyroid cartilage
Function: raise & dilate pharynx
Innervation: X (Vagus) pharyngeal branch |
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Term
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Definition
Origin: styloid process of temporal bone
Insertion: pharyngeal constrictors & thyroid cartilage
Function: raise & dilate pharynx
Innervation: IX (Glosspharyngeal) |
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Term
| functions of facial muscles |
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Definition
-facial expression
-speech production (lips & cheeks as mobile articulators)
-chewing
-romance |
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Term
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Definition
-speech production (mandible as mobile articulator)
-chewing (among strongest muscles in body) |
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Term
| landmarks of the oral cavity |
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Definition
-labial frenulum = connects teeth to lips (flap of skin between teeth and lips)
-alveolar ridge = ridge of the maxilla bone behiind teeth
-hard palate = dome on roof of mouth, maxilla and palatine bones
-velum (soft palate) = muscle tissue behind bone
uvula - hangy down thing in back of throat (same plane as posterior faucial arch)
buccal cavities = space on side between lip and jaw
-anterior faucial pillar (palatoglossal arch) = (palatoglossis arch)
-posterior faucial pillar (palatopharyngeal arch) = paratopharyngeal arch
-palatine tonsil |
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Term
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Definition
-speech (fine motor, highly coordinated, rapid movements)
-chewing & swallowing
-taste sensation |
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Term
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Definition
-tip
-blade
-base (root)
-median sulcus = middle groove
-lingual papillae = bitter taste buds at back
-lingual tonsils = embedded in base of tongue
-lingual frenulum = attaches tongue to floor of mouth |
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Term
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Definition
-within the tongue
-fine motor control
-important for articulation
-superior longitudinal muscle of tongue
-inferior longitudinal muscle of tongue
-transverse muscle of tongue
-vertical muscle of tongue |
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Term
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Definition
-help with gross movements of the tongue as a unit
-bulk of the tongue is made up of the genioglossus muscle
-connect outside of the tongue
-genioglossus
-hyoglossus
-styloglossus |
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Term
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Definition
-courses from the posterior aspect of the hard palate to the uvula
-soft tissue structure that serves as a "valve" to separate the oral and nasal cavities
-raises to close the velopharyngeal port for oral sounds and swallowing
-lowers to open he velopharyngeal port for nasal sounds and breathing
-the bulk of the velum is made of up of the levator veli palatini muscle |
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Term
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Definition
-vertical tube (12cm long0
-courses from the nasal choanae to the laryngeal vestibule
-three parts of the pharynx: nasopharynx, oropharynx, hypopharynx
-muscles of pharynx intermingle with muscles of the tongue, velum, & larynx
-pharyngeal muscles can narrow/dilate this tube for speech & swallowing |
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