Oral Cavity: Basics Flashcards
What forms the roof of the oral cavity?
The palette (both hard and soft)
What froms the floor of the oral cavity?
The tongue and oral mucossa
What supports the floor of the orl cavity?
The mylohyoid and geniohyoid muscles
What forms the posterior boundry of the oral cavity?
The oropharyngeal isthmus
What is the line of demarcation between the oral cavity and oropharyngeal isthmus?
Palatoglossal arch
What is the opening of the oral cavity where the food will pass through on its way to the esophagus?
Oropharyngeal isthmus
What makes up the anterior and lateral boundaries of the oral cavity?
the lips and cheeks
What are the two parts of the oral cavity?
1) Oral vestibule
2) Oral cavity proper
What is the part of the oral cavity that lies outside of the teeth row?
Oral vestibule
What are the opening to the oral vestible?
1) labial glands
2) praortid duct
what are the labial glands?
small salivary glands
Where does the parotid duct open to?
lateral to the maxillary 2nd molar within the vestibule
T/F: The lips are two muscular folds that are bound to the opening of the mouth?
False: they are classified as MUSCULOFIBROUS
What is it called when the philtrum of the upper lip does not fuse?
Cleft Lip
What is the median groove seen externally that extends from the nose to the vermilion boarder of the upper lip?
Philtrum
