Question

Which of the following innervates fungiform papillae?

• A. Facial nerve
• B. Glossopharyngeal nerve
• C. Vagus nerve
• D. None of the above

Answer 1

The correct option is B Glossopharyngeal nerve

• Fungiform papillae are slightly mushroom-shaped if looked at in longitudinal section.
• These are present mostly at the dorsal surface of the tongue, as well as at the sides Innervated by the facial nerve.
• The glossopharyngeal nerve, known as the ninth cranial nerve (CN IX), is a mixed nerve that carries afferent sensory and efferent motor information. It Provides taste sensation to the posterior 1/3 of the tongue. Hence, Glossopharyngeal nerve innervates fungiform papillae.
So,the correct answer is 'Glossopharyngeal nerve'.