The chorda tympani gives a taste sensation. Salivation in response to oral food is based on visceral reflex arcs within the facial or glossopharyngeal nerve.
The chorda tympani gives taste sensation whereas glossopharyngeal nerve is responsible for mouth salivation.
The submandibular and sublingual salivary glands are innervated by preganglionic parasympathetic nerve fibers that are carried via the chorda tympani, which also gives taste sensation from the front 2/3 of the tongue. There are two cranial nerves that innervate the tongue and are used for taste: the facial nerve (cranial nerve VII) and the glossopharyngeal nerve (cranial nerve IX).
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