5 Questions
Which division lies between the teeth and the lips & cheeks?
Vestibule
Where does the tongue lie?
Oral cavity proper
What is the shape of the tongue?
Irregular
What connects the root of the tongue to the mandible & hyoid bone?
Lingual frenulum
What separates the rough anterior 2/3 and the posterior smooth 1/3 of the tongue?
Sulcus terminalis
Study Notes
Oral Cavity
- The buccal cavity, also known as the vestibule, lies between the teeth and the lips and cheeks.
The Tongue
- The tongue lies in the oral cavity, on the floor of the mouth.
- The tongue is a muscular organ with a flat, narrow, andmobile shape.
- The tongue is connected to the root of the tongue to the mandible and hyoid bone through the genioglossus muscle.
- The lingual frenulum separates the rough anterior 2/3 and the posterior smooth 1/3 of the tongue.
Test your knowledge of the anatomy of the oral cavity and its divisions with this quiz. Learn about the vestibule, oral cavity proper, and the role of the tongue in speech and taste.
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