In which of the following structures would you expect to see afferent ganglia?

a. Neuromuscular junction

b. Glossopharyngeal nerve

c. Spinal cord

d. Adrenal gland

Answer is B, Glossopharyngeal nerve.

Explanation:

Glossopharyngeal nerve is a nerve that is of the ninth pair of cranial nerves supplying the tongue and pharynx.

Note that a condition characterized by the presence of pain in the ear, tongue, throat which last for a few seconds to minutes is glossopharyngeal neuralgia.