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Who secretes saliva?

Published in Salivary Glands 2 mins read

The glands that secrete saliva are the parotid, submandibular, and sublingual glands.


Salivary Glands

The primary function of saliva is to help with digestion, keeping the mouth moist, and aiding in the protection of teeth. The human body has several salivary glands, each contributing to the overall saliva production. These include:

  • Parotid Gland: The largest of the salivary glands. It’s located in front of the ears.
  • Submandibular Glands: Situated under the jawbone, also known as the mandible.
  • Sublingual Glands: These are the smallest of the major salivary glands, found beneath the tongue.


Function of Saliva

Saliva is essential for several reasons:

  1. Digestion: Saliva contains enzymes that begin the breakdown of food in the mouth.
  2. Moisture: It keeps the mouth moist, which is vital for speech, taste, and swallowing.
  3. Protection: Saliva helps to neutralize acids produced by bacteria, which protects teeth from decay.


Gland Location Size
Parotid Gland Front of the ears Largest
Submandibular Glands Under the jawbone Medium
Sublingual Glands Under the tongue Smallest



In summary, saliva is secreted by the parotid, submandibular, and sublingual glands, each playing a vital role in maintaining oral health and aiding in digestion.


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