Facial Expression
What are the main actions of the Corrugator supercilii?
Draws the eyebrow medially and inferiorly creating vertical wrinkles above the nose.
Which cranial nerve is motor to the muscles of mastication?
CN V
WHICH CRANIAL NERVE IS MOTOR TO THE TONGUE?
CN XII
Which cranial nerve affects the palate?
CN X
Which cranial nerve affects the larynx, pharynx, esophagus, and trachea and palate?
CN X
What are the functions of the Orbicularis Oris (oral sphincter)?
Closes oral fissure and protrudes lips.
What are the functions the Temporalis?
Elevates mandible, closing jaws.
What is the main action of the genioglossus?
depresses tongue. pulls tongue anteriorly for protrusion.
What is the function of the Levator veli palatini?
elevates soft palate during swallowing and yawning
What is the function of the superior pharyngeal constrictor?
constrict wall of pharynx during swallowing.
What are the functions of Levator labil superioris?
diolates the mouth, elevate/ evert upper lip. showing sadness.
What are the functions of the lateral pterygoid?
protects mandible, depresses chin, swings jaw
what are the functions of the hypoglossus?
depresses and retracts tongue
what is the function of the Tensor veli patini
Tenses soft palate and opens mouth of pharyngotympanic tube during swallowing and yawning.
what is the function of the cricopharyngeus?
serves as superior esophageal sphincter.
what is the function of the zygomatic major?
dilates mouth, elevates labial commissure. smile/ sneer.
What enervates the Medial pterygoid?
Anterior trunk of the mandibular nerve (CN V3)
what are the functions of the styloglossus?
retracts tongue and draws it up to create a tough swallowing.
what is the function of the palatoglossus
elevates posterior part of the tongueand draws soft palate onto tongue.
what is the function of the palatopharyngeous?
Elevate the pharynx and larynx during swallowing and speaking,
Which cranial nerve is responsible for facial expression
cranial nerve VII
What innervates Masseter?
Anterior trunk of mandibular nerve via masseteric nerve
what is the function of the palatoglossus?
elevates posterior part of the tongue plexus
what is the function of the musculus uvulae?
shortens uvula and pulls it superiorly.
what innervates the stytopharyngeus?
Glossopharyngeal nerve CNIX