All of the following muscles take their origin from the outer surface of the mandible EXCEPT______________?
Correct answer: D. Platysma
- A. Buccinator
- B. Depressor anguli oris
- C. Mentalis
- D. Platysma
Explanation
Platysma arises from fascia over the upper thorax and shoulder and inserts into the mandible and lower face, rather than originating from the mandible. The other listed muscles have mandibular or alveolar attachments contributing to their origins.
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