The Oral Cavity Flashcards
Which part of the tongue is more mobile, the anterior or posterior part?
Anterior part
What divides the tongue into the anterior and posterior parts?
The v-shaped terminal sulcus
What are the 4 types of papillae on the tongue?
Filiform
Fungiform
Circumvallate
Foliate
What is the inferior surface of the tongue covered by?
Smooth mucous membrane
What is the fold of mucous membrane that fixes the tongue to the floor of the mouth called?
The frenulum
What is either side of the frenulum?
Submandibular ducts
What are the names of the extrinsic muscles of the tongue?
Hyoglossus
Genioglossus
Styloglossus
What do extrinsic muscles of the tongue do to the tongue?
Change the position of the tongue
Where does the genioglossus arise from?
Just above the geniohyoid from upper part of mental spine
What are the actions of the genioglossus on the tongue?
Compacts and pulls tongue forward