Facial Expression
2 major groups are around the eye (oculi) and the mouth (oris)
What are the two major groups of muscles of facial expression?
process where food is chewed and crushed
What is mastication?
The nerve responsible for all intrinsic and extrinsic muscles of the tongue
What is the Hypoglossal? (CN XII)
Another term for "soft palate"
What is the velum?
Latin for "curtain"
What is velum?
innervates the muscles of facial expression
What is the facial nerve? (CN VII)
innervates the muscles of mastication
What is the mandibular division of the trigeminal nerve? (CNV3)
The superior longitudinal, inferior longitudinal, transverse, and vertical muscles
What are the intrinsic muscles of the tongue?
the cranial nerve that innervates the palatoglossus, the palatopharyngeus, and musculus uvulae muscles of the palate.
What is the pharyngeal branch of the vagus nerve (CN X) via pharyngeal plexus?
another name for "pharyngotympanic tube"
What is the eustachian tube?
oculi dilator innervated by the oculomotor nerve (CN III)
What is the levator palpebrae superioris?
What is the masseter muscle?
The muscle that retracts the tongue and draws it up to create a trough for swallowing
What is the styloglossus muscle?
Muscle thats superior attachment is the palatine aponeurosis and the inferior attachment is the side of the tongue
What is the palatoglossus muscle?
insertion point for the superior pharyngeal constrictor, middle pharyngeal constrictor, inferior pharyngeal constrictor, and thyroparyngeus muscles.
What is the pharyngeal raphe?
The oris sphincter which closes the lips and can protrude the lips as in puckering and whistling
What is the orbicularis oris?
What is the temporalis muscle?
The muscle that's insertion is the fibrous tissue at the margins of the tongue, and main action is to narrow and elongate the tongue.
What is the transverse muscle?
muscle that elevates the soft palate during swallowing and yawning
What is the levator veli palatini muscle?
muscle that serves as a superior esophageal sphincter
What is the cricopharyngeus muscle?
The main muscle of the cheeks in contact with the gums so that food does not accumulate in the vestibule of the mouth
What is the buccinator muscle?
The muscle that opens the jaw, which attaches from the lateral surface of the lateral pterygoid plate to the neck of the mandible and the intraarticular disc of the temporomandibular joint
What is the lateral pterygoid muscle?
The muscle innervated by CN X and the pharyngeal plexus that elevates the posterior part of the tongue plexus
What is the palatoglossus muscle?
The muscle that shortens the uvula and pulls it superiorly
What is the musculus uvulae muscle?
Innervated by the glossopharyngeal nerve (CN IX)
What is the stylopharyngeus muscle?