The Articulation and Resonance Systems -- Muscles part 2 Flashcards
Landmarks of the tounge
- Tip
- Dorsum
- Root
- Frenulum (or frenum)
Intrinsic Tongue Muscles
- Fine motor control
- Superior longitudinal
- Transverse
- Vertical
- Inferior
Extrinsic Tongue Muscles
- Gross motor control
- Genioglossus
- Hyoglossus
- Styloglossus
- Palatoglossus
Superior Longitudinal
O: Tissue near epiglottis
I: Lateral sides of tongue
A: Elevates tongue tip
N: XII Hypoglossal
Transverse
O: Tissue near epiglottis
I: Lateral sides of tongue
A: Narrows tongue (taco tongue)
N: XII Hypoglossal
Vertical
O: Tongue dorsum
I: Lateral and inferior parts of tongue
A: Flattens tongue
N: XII Hypoglossal
Inferior Longitudinal
O: Hyoid bone and root of tongue
I: Lateral sides of tongue
A: Lowers tongue tip
N: XII Hypoglossal
Genioglossus
O: (genus of the) Mandible
I: Hyoid, tongue, pharynx
A: Protrude and retract tongue (prime mover)
N: XII Hypoglossal
Hyoglossus
O: Hyoid
I: Lateral sides of tongue
A: Lowers sides of tongue; assists in retraction
N: XII Hypoglossal
Styloglossus
O: Styloid process
I: Laterals sides of tongue
A: Assists in retracting tongue toward pharynx
N: XII Hypoglossal
Palatoglossus
O: Palate (velum)
I: Lateral sides of tongue
A: Assists in elevating posterior part of tongue
N: X Vagus, XII Access
Masseter
O: Zygomatic arch
I: Mandible
A: Elevates mandible/ closes mouth
N: V. Trigeminal
Temporalis
O: Temporal/ parietal bones
I: Mandible
A: Elevates mandible/ closes mouth
N: V. Trigeminal
Medial Pterygoid
O: Pterygoid plate
I: Mandible
A: Elevates mandible/ closes mouth
N: V Trigeminal
Genihyoid
O: Mandible
I: Hyoid bone
A: Lowers mandible/ opens mouth
N: XII Hypoglossal
Mylohyoid
O: Mandible
I: Hyoid bone
A: Lowers mandible/ opens mouth
N: V. Trigeminal
Digastricus
O: Mandible
I: Hyoid bone
A: Lowers mandible/ opens mouth
N: V. Trigeminal
Platysma
O: Pectoral/ deltoid muscles
I: Skin near masseter muscle
A: Lowers mandible/ opens mouth
N: VII Facial
Levator veli palatini
O: Temporal bone
I: Velum
A: Elevates velum/ closes off nasal cavity
N: X Vagus, XI Access
The jaw system is what kind of lever?
Class 3
Musculus uvulae
O: Palatine bone
I: Velum
A: Elevates velum/ closes off nasal cavity
N: X Vagus, XI Access
Tensor veli palatini
O: Sphenoid bone
I: Velum
A: Flattens and tenses velum
N: V Trigeminal
Palatoglossus
O: Palate
I: Lateral sides of tongue
A: Lowers soft palate/ opens nasal cavity
N: X Vagus, XI Access
Muscles of Soft Palate
- Openers lower sort palate and open nasal cavity
- Closers elevate soft alate and shut off nasal cavity
- Velopharyngeal mechanism= the closers and openers
Palatopharyngeus
O: Palate
I: Lateral wall of pharynx
A: Lowers sof palate/ opens nasal cavity
N: X Vagus, XI Access
Superior Pharyngeal Constrictor
O: Pterygoid plater, mandible, and sides of tongue
I: Pharyngeal raphe
A: Constrict pharynx
N: IX Glossopharyngeal, X Vagus
Middle Pharyngeal Constrictor
O: Hyoid bone
I: Pharyngeal raphe
A: Constrict pharynx
N: X Vagus
Inferior Pharyngeal Constrictor
O: Thyroid cartilage
I: Pharyngeal raphe
A: Constrict pharynx
N: X Vagus
