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Question

The space between gums and lips is called__________

A
lingual frenulum
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B
epiglottis
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C
oral vestibule
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D
uvula
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Solution

The correct option is C oral vestibule
The space between gums and lips is called oral vestibule. It is lined by mucous membranes containing salivary glands. The lingual frenulum is a fold of mucus membrane located underneath the tongue and connects to the floor of the mouth. It supports the tongue and it limits the movement of the tongue in different directions.
Epiglottis is a cartilaginous flap that prevents the entry of food into the glottis (opening of the windpipe) during swallowing.
The uvula is a hanging flap-like structure that goes back during swallowing. It supports the palatine structure of the mouth and prevents the entry of food into the nasal chamber.

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