Introduction:

Salivation is a process of secretion of saliva from the salivary glands. Saliva helps in moistening and lubricating food for easier swallowing. The control of salivation is mainly regulated by the autonomic nervous system. The autonomic nervous system is a part of the peripheral nervous system that controls the involuntary functions of the body.

The Brain and Salivation:

The brain plays a significant role in regulating salivation. The salivary glands are innervated by the autonomic nervous system, which is controlled by the brain. The brainstem and the hypothalamus are the two regions of the brain that control salivation.

The Brainstem:

The brainstem is responsible for regulating the basic functions of the body, including salivation. The salivary nuclei in the brainstem control the production and secretion of saliva. The salivary nuclei receive input from the taste buds on the tongue, which stimulate the production of saliva.

The Hypothalamus:

The hypothalamus is a region of the brain that regulates the autonomic nervous system. The hypothalamus receives information from the salivary nuclei in the brainstem and other areas of the brain. It then sends signals to the autonomic nervous system to increase or decrease the production of saliva.

Conclusion:

In summary, the brain plays a crucial role in regulating salivation. The brainstem and the hypothalamus are the two regions of the brain that control salivation. The salivary nuclei in the brainstem receive input from the taste buds on the tongue and stimulate the production of saliva. The hypothalamus regulates the autonomic nervous system and sends signals to increase or decrease the production of saliva.

The part of brain which controls salivation is medulla oblongata. Medulla oblongata is the part of hind brain which controls involuntary actions of our body.
Hope it helps you.