Mouth Anatomy Flashcards
The buccinator is innervated by which cranial nerve?
Facial Nerve CNVII
Which muscle causes pursing of the lips?
Obicularis oris
The posterior opening of the oral cavity is known as what?
The oropharyngeal isthmus
What bones make up the hard palate?
The palatine bone and the maxilla
What nerve innervates the muscles of the soft palate?
The vagus (pharyngeal branch)
What are the anterior boundaries of the oropharynx?
the left and right palatoglossal arches
What are the fold of mucosa which overly the palatoglossus and palatopharyngeas muscles?
The palatine tonsils (made up of lymhoid tissue)
What is the function of the tongue?
Moving food during chewing, swallowing and speech
What is the V-Shaped sulcus which divides the tongue known as?
The terminalis
Name the three types of papillae?
Filliform, fungiform and vallate
What is the fold of tissue which holds the tongue to the floor of the mouth?
The frenulum
What provides general sensation to the anterior 2/3 of the tongue?
The V3 DIVISION OF THE TRIGEMINAL
What provides general sensation and taste sensation to the posterior 1/3 of the tongue?
CNIX
What provides taste sensation to the anterior 2/3 of the tongue?
Chorda tympani of CNVII
What is the function of the intrinsic muscles of the tongue ?
They change the shape of the tongue
