The Mouth Flashcards
What is the name given to the superior anterior opening for the alimentary canal?
the mouth or oral cavity
What are the names given to the opening of the mouth?
- oral orifice
- oral fissure
- rima oris
- rima of the mouth
What forms the fleshy boundaries of the oral cavity?
lips and cheeks
What is the name given to the space between the teeth and the external fleshy tissue of the face?
oral vestibule
What is the name given to the space between the lips and the teeth?
labial vestibule
What is the name given to the space between the cheeks and the teeth?
buccal vestibule
What is the name given to the space within the region formed by the occluded teeth?
oral cavity proper
What is the type of skin covering most of the external lip?
stratified squamous keratinous epithelium
What is the type of skin internal to the margin of the rima oris?
stratified squamous nonkeratinized epithelium
What is the name given to the junction between the skin and the red region of the lip?
vermilion border
What is the name given to the red region of the lip?
vermilion zone
What is unique about the human lip?
the natural red color
What is the name given to the median depression of the upper lip?
philtrum
What is the name given to the depression extending from the nasal ala to the corner of the upper lip?
nasolabial groove/sulcus
What is the name given to the horizontal furrow between the lower lip and the chin?
mentolabial/labiomental groove/sulcus