Does the Vagus Nerve Control Salivation?

Vagal afferent stimulation significantly increased salivation

increased salivation
Hypersalivation, or ptyalism, also known as Hypersialorrhea or hypersialosis is the excessive production of saliva. It has also been defined as increased amount of saliva in the mouth, which may also be caused by decreased clearance of saliva.
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and swallowing-like events in a frequency-dependent manner.

Which cranial nerves are responsible for salivation?

Cranial Nerve 9 - Glossopharyngeal (IX)

The sensory component of the glossopharyngeal nerve conveys information about taste and other sensations from the throat and the posterior third of the tongue. The motor component of this nerve controls the acts of swallowing and salivation, and the dilation of blood vessels.

What regulates salivary secretion?

The secretion of salivary fluid and proteins is controlled by autonomic nerves. ... Most salivary glands also receive a variable innervation from sympathetic nerves which released noradrenaline from which tends to evoke greater release of stored proteins, mostly from acinar cells but also ductal cells.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.