Facial Expression
The muscles of facial expression are innervated by what cranial nerve?
CN Vll, the Facial Nerve
Muscles of Mastication are innervated by what cranial nerve?
CN V3, Trigeminal nerve-- the mandibular branch.
What cranial nerve innervates three of the four extrinsic muscles of the tongue?
CN Xll- Hypoglossal nerve
What three bones make up the hard palate?
Maxilla, Palatine and Sphenoid
How many muscles of the Pharynx are constrictors?
Three; Superior, Middle and Inferior pharyngeal constrictor
Does it take more muscles to frown than smile?
Frown
What are the three branches of the Trigeminal nerve?
1. Ophthalmic nerve (V1)
2. Maxillary nerve (V2)
3. Mandibular nerve (V3)
What cranial nerve innervates all four of the intrinsic muscles of the tongue?
CN Xll- Hypoglossal nerve
What muscles form the palate form the palatal arches?
Palatoglossus and palatopharyngeus
What does "UES" stand for?
Upper esophageal sphincter
The muscle that is a sphincter around the mouth?
Orbicularis Orbis
Which muscles of mastication are responsible for laterally moving the mandible?
The ipsilateral temporalis muscle, contralateral pterygoids and the masseter
What is the largest extrinsic muscle of the tongue?
Genioglossus
What muscles of the palate are innervated by cranial nerve X?
Levator veli palatini, palatoglossus, palatopharyngeus, and musculus uvulae
Which muscles elevate the pharynx and larynx during swallowing and speaking?
Palatopharyngeus, Salpingopharyngeus and Stylopharyngeus
What are the two parts of the Orbicularis Oculi?
1. Orbital part
2. Palpebral part
What kind of joint is the temporomandibular joint?
Synovial joint
Which muscle of the tongue is innervated by cranial nerve X?
Palatoglossus
What muscle tenses the soft palate and opens the mouth of the pharyngotympanic tube(eustachian tube)?
Tensor veli palatini
What do the Stylopharyngeus, Salpingopharyngeus and Palatopharyngeus?
These muscles elevate the larynx and pharynx.
What muscle has the longest name in the body?
The Levator Labii Superioris Alaque Nasii
What muscles protrude the mandible?
The lateral pterygoid, medial pterygoid and the masseter
How many cranial nerves supply the tongue? List them.
Five. CN V3, Vll, lX, X, Xll
What is the cranial nerve that innervates the tensor veli palatini?
CN V3
What are the two other names for Eustachian tube?
Pharyngotympanic tube or auditory tube