Asked by: Sharlene Mesters
medical health digestive disorders

What are the three different types of salivary glands found in humans?

Last Updated: 21st January, 2020

The salivary glands in mammals are exocrine glands that produce saliva through a system of ducts. Humans have three paired major salivary glands (parotid, submandibular, and sublingual) as well as hundreds of minor salivary glands. Salivary glands can be classified as serous, mucous or seromucous (mixed).

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Just so, what are the 3 types of Salivary Glands?

Most animals have three major pairs of salivary glands that differ in the type of secretion they produce:

  • parotid glands produce a serous, watery secretion.
  • submaxillary (mandibular) glands produce a mixed serous and mucous secretion.
  • sublingual glands secrete a saliva that is predominantly mucous in character.

what are the types of Salivary Glands? There are nine images on this page--three magnifications each of the three types of salivary glands (parotid, submandibular, and sublingual. The first thing you have to know about the salivary glands is the difference between serous cells and mucous cells.

In this regard, what are the 3 salivary glands and their functions?

It also helps break down carbohydrates (with salivary amylase, formerly known as ptyalin) and lubricates the passage of food down from the oro-pharynx to the esophagus to the stomach. There are three main pairs of salivary glands: the parotid, the submandibular and the sublingual glands.

Where are the 3 salivary glands located?

The major salivary glands, three pairs in total, are found in and around your mouth and throat. The major salivary glands are the parotid, submandibular, and sublingual glands. The parotid glands are located in front and beneath the ear.

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Where are the salivary glands located in our body?

In addition to numerous small glands in the tongue, palate, lips, and cheeks, human beings have three pairs of major salivary glands that open into the mouth through well-developed ducts. The parotid salivary glands, the largest of the three, are located between the ear and ascending branch of the lower jaw.

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What enzyme is in saliva?

enzyme amylase

Collado Oelmann


Is saliva hypertonic or hypotonic?

Saliva is always a hypotonic solution but it needs to be produced from concentrated extra-cellular fluid and modified. The fluid secreted from the acini is overall isotonic with the extracellular fluid: Sodium and potassium ions are equivalent. Iodide ions are present at an increased concentration.

Yuderka Knehans


What is the largest salivary gland in the mouth?

The parotid glands are the largest salivary glands. They are located just in front of the ears. The saliva produced in these glands is secreted into the mouth from a duct near your upper second molar.

Vella Ansobiaga


What is serous saliva?

Salivary glands may be predominantly serous, mucous, or mixed in secretion. Mucus is a thick, clear, and somewhat slimy substance. Serous secretion is a more liquid opalescent fluid composed of water and proteins, such as the digestive enzyme amylase.

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How many major salivary glands are there in the human body?

Besides the many minute glands that secrete saliva, there are three major pairs of salivary glands: the parotid, the submandibular, and the sublingual glands.

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What is Saliva made up of?

Produced in salivary glands, saliva is 98% water, but it contains many important substances, including electrolytes, mucus, antibacterial compounds and various enzymes. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin.

Abdeluahed Gudvan


What is the function of the mouth?

Mouth. The mouth is the beginning of the digestive tract; and, in fact, digestion starts here when taking the first bite of food. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use.

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What is serous gland?

Serous glands contain serous acini, a grouping of serous cells that secrete serous fluid, isotonic with blood plasma, that contains enzymes such as alpha-amylase.

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Where is the submaxillary gland located?

structure and function. The second pair, the submaxillary glands, also called submandibular glands, are located along the side of the lower jawbone. The major duct of each (Wharton's duct) opens into the floor of the mouth at the junction where the front of the tongue meets the mouth's floor.

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What are the 5 functions of saliva?

The functions of saliva are:
  • Lubrication of food:
  • Solvent action:
  • Cleansing action:
  • Digestive function:
  • Excretory function:
  • Helps in speech:
  • Role in regulating water content in body:
  • Buffering function:

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What are the 6 salivary glands and its location?

There are six major salivary glands and hundreds of minor salivary glands. The six major salivary glands are the two parotid glands, two submandibular glands, and two sublingual glands. The parotid glands are the largest glands and are located under the skin in front of the ear overlying the jaw bone.

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What are the 4 components of saliva?

Terms in this set (5)
  • components of saliva. mucus. amylase. sodium bicarbonate. water.
  • mucus. Lubricates bolus of food; facilitates mixing of food.
  • amylase. Enzyme; begins digestion of starches.
  • sodium bicarbonate. Increases pH (for optimum amylase function)
  • water. Dilutes food and other substances; facilitates mixing.

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What is the definition of Salivary Glands?

Medical Definition of salivary gland
: any of various glands that discharge a fluid secretion and especially saliva into the mouth cavity and that in humans comprise large compound racemose glands including the parotid glands, the sublingual glands, and the submandibular glands.

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Where are the salivary glands located and what is their function?

The salivary glands are located in several areas around the mouth and have ducts connected to both the upper and lower jaw. This ensures that saliva evenly coats the inner lining of the mouth. You can feel the end of these ducts just below your tongue and along the inside of your upper lip.