Which of the Following Muscles Originates on the Inferior Border

question 2

Multiple Choice

Which of the following muscles originates on the inferior border of the mandible and inserts at each of the labial commissures?

• A)Levator anguli oris muscle
• B)Depressor labii inferioris muscle
• C)Depressor anguli oris muscle
• D)Orbicularis oris muscle

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