Mastication, Palate, Tongue Flashcards
Temporalis insertion
Coronoid process of mandible
Temporalis origin
Temporal fossa
Temporalis innervation
CN V3
Temporalis action
Elevates and retracts mandible
Masseter origin
Zygomatic arch
Masseter insertion
Ramus of mandible (lateral surface)
Masseter innervation
CN V3
Masseter action
Elevates mandible
Medial pterygoid origin
Lateral pterygoid plate (medial surface)
Medial pterygoid insertion
Ramus of mandible (medial surface)
Medial pterygoid innervation
CN V3
Medial pterygoid action
Elevates and protrudes mandible
Lateral pterygoid origin
Lateral pterygoid plate (lateral surface)
Lateral pterygoid insertion
Articular disc/capsule of TMJ, neck of mandible
Lateral pterygoid innervation
CN V3
Lateral pterygoid action
Protrudes mandible, side to side grinding
Tensor veli palatini origin
Scaphoid fossa
Tensor veli palatini insertion
Palatine aponeurosis
Tensor veli palatini innervation
CN V3
Tensor veli palatini action
Tenses soft palate
Levator veli palatini origin
Eustachian tube (cartilaginous part)
Levator veli palatini insertion
Palatine aponeurosis
Levator veli palatini innervation
CN X
Levator veli palatini action
Elevates soft palate
Palatoglossus origin
Palatine aponeurosis
Palatoglossus insertion
Side of tongue
Palatoglossus innervation
CN X
Palatoglossus action
Depresses soft palate, elevates tongue
Palatopharyngeus origin
Hard palate, Palatine aponeurosis
Palatopharyngeus insertion
Pharyngeal wall, thyroid cartilage
Palatopharyngeus innervation
CN X
Palatopharyngeus action
Elevates wall of pharynx during swallowing, depresses soft palate
Musculus uvulae origin
Hard Palate
Musculus uvuale insertion
Uvula
Musculus uvuale innervation
CN X
Musculus uvuale action
Shortens and elevates uvula
Genioglossus origin
Superior mental spines of mandible
Genioglossus insertion
Tongue (inferior part), hyoid bone
Genioglossus innervation
CN XII
Genioglossus action
Depresses and protrudes tongue
Styloglossus origin
Styloid process
Styloglossus insertion
Tongue (posteroinferior part)
Styloglossus innervation
CN XII
Styloglossus action
Retracts tongue, draws up sides of the tongue to create a trough
Hyoglossus origin
Hyoid bone
Hyoglossus insertion
Side of tongue
Hyoglossus innervation
CN XII
Hyoglossus action
Depresses and retracts tongue
Palatoglossus origin
Palatine aponeurosis
Palatoglossus insertion
Side of tongue
Palatoglossus innervation
CN X
Palatoglossus action
Depresses soft palate, elevates tongue