Anatomy & Histology · single question

Which muscles are the primary elevators of the mandible?

  1. Masseter, medial pterygoid, and temporalis
  2. Lateral pterygoid, digastric, and mylohyoid
  3. Buccinator, orbicularis oris, and risorius
  4. Geniohyoid, genioglossus, and stylohyoid
Show answer and explanation

Correct answer: A. Masseter, medial pterygoid, and temporalis

The masseter, medial pterygoid, and temporalis are the three muscles of mastication that elevate (close) the mandible. The lateral pterygoid mainly protrudes/depresses and assists lateral excursion; the digastric and mylohyoid are depressors (open the jaw).

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