Anatomy & Histology · single question
Which muscle is primarily responsible for DEPRESSING (lowering) the soft palate?
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Correct answer: D. Palatoglossus
- A. Levator veli palatini is the PRIMARY ELEVATOR of the soft palate — the opposite action.
- B. The superior pharyngeal constrictor narrows the pharynx — it does not specifically depress the soft palate.
- C. Tensor veli palatini tenses (stiffens) the soft palate — does not primarily depress it.
- D. Correct. The palatoglossus muscle (innervated by CN X via the pharyngeal plexus) depresses the soft palate AND elevates the posterior tongue. It forms the anterior pillar of the fauces.
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