GENERAL ANATOMY
MUSCLE ANATOMY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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caninus
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buccinator
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triagularis
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risorius
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Detailed explanation-1: -Buccinator outlined in red. The buccinator compresses the cheeks against the teeth and is used in acts such as blowing.
Detailed explanation-2: -The buccinator, along with orbicularis oris and pharyngeal constrictor, forms a functional unit (buccinator mechanism) which is essential for orofacial functions (swallowing, sucking, whistling, chewing, vowel pronunciation).
Detailed explanation-3: -The buccinator muscle is a thin, four-sided facial muscle that is located in each of the cheeks. The main action of this muscle is to compress the cheek against the teeth, which allows a person to chew properly, whistle, smile, and make some speech sounds.
Detailed explanation-4: -One facial muscle, the obicular muscle of the mouth (orbicularis oris), is responsible for both puckering and blowing facial actions.