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Related Concept Videos

Salivary Glands and Saliva01:23

Salivary Glands and Saliva

2.2K
The salivary glands, of which there are three pairs known as the parotid, submandibular, and sublingual glands, play a crucial role in maintaining oral health and initiating the digestive process. Positioned near the ears, beneath the masseter muscle, the parotid glands secrete saliva into the oral cavity through the parotid duct of Stensen. Meanwhile, the submandibular glands, located on the floor of the mouth, secrete saliva through channels named submandibular ducts. The sublingual glands,...
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Exocrine Glands: Types of Secretions01:13

Exocrine Glands: Types of Secretions

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Exocrine glands produce and release a variety of glandular products. Exocrine glands can be classified into serous, mucous, or mixed types based on their secretory products.
Serous glands produce watery secretions rich in digestive enzymes and proteins. The constituent cells of the serous gland have centrally located nuclei and eosinophilic secretory granules in the cytoplasm. The parotid gland is an example of a serous gland. It secretes saliva, which contains enzymes, such as lipases and...
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Accessory Organs01:31

Accessory Organs

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Accessory organs are those that participate in the digestion of food but do not come into direct contact with it like the mouth, stomach, or intestine do. Accessory organs secrete enzymes into the digestive tract to facilitate the breakdown of food.
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Exocrine Glands: Unicellular and Multicellular Glands01:29

Exocrine Glands: Unicellular and Multicellular Glands

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Exocrine glands are classified as unicellular and multicellular. The unicellular glands are scattered single cells, such as goblet cells, found in the mucous membranes of the small and large intestines. On the other hand, multicellular exocrine glands develop as secretory sheets, like the internal lining of the abdomen or chest. Such secretory sheets release their secretions directly into the lumen of these organs. In addition, some multicellular glands have deep-seated secretory units to...
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Lipid Digestion01:06

Lipid Digestion

98.4K
Lipids are large molecules that are generally not water-soluble. Since most of the digestive enzymes in the human body are water-based, there are specific steps the body must take to break down lipids and make them available for use.
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Exocrine Glands: Methods of Secretion01:08

Exocrine Glands: Methods of Secretion

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Exocrine glands are those that release their secretions through ducts. Based on their mode of secretion, they can be classified into merocrine, apocrine, and holocrine.
Merocrine Secretion
Merocrine secretion is the most common type of exocrine secretion. The secretions are enclosed in vesicles and moved to the cell's apical surface, where the contents are released by exocytosis. For example, mucous, a watery secretion rich in the glycoprotein mucin, is a merocrine secretion. The eccrine...
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Related Experiment Video

Updated: Jan 3, 2026

Isolation of Salivary Epithelial Cells from Human Salivary Glands for In Vitro Growth as Salispheres or Monolayers
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Isolation of Salivary Epithelial Cells from Human Salivary Glands for In Vitro Growth as Salispheres or Monolayers

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Salivary Gland Diseases.

Orrett E Ogle1

  • 1University of The West Indies, Kigston, Jamaica.

Dental Clinics of North America
|November 19, 2019
PubMed
Summary

Salivary gland diseases include stones, infections like sialadenitis, and tumors. Most salivary gland stones cause painful duct blockage, while Staphylococcus and mumps are common causes of infection.

Area of Science:

  • Otorhinolaryngology
  • Oral and Maxillofacial Surgery
  • Pathology

Background:

  • Salivary glands are susceptible to various diseases, including obstructions, infections, and tumors.
  • Painful duct blockage by stones is a common issue, impeding saliva drainage.
  • Sialadenitis, an inflammation of the salivary glands, can stem from infectious or noninfectious origins.

Purpose of the Study:

  • To provide a comprehensive overview of salivary gland diseases.
  • To discuss the classification, imaging, and treatment of common salivary gland pathologies.
  • To highlight the prevalence and common causes of salivary gland infections and tumors.

Main Methods:

  • Literature review of salivary gland diseases.
  • Analysis of common causes of sialadenitis (bacterial and viral).
Keywords:
Pleomorphic adenomaSialadenitisSialadenosisSialolithiasisSjögren syndromeXerogenic medicationsXerostomia

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  • Review of salivary tumor statistics and common locations.

    • Main Results:

    • Salivary duct stones are the most frequent cause of painful obstruction.
    • Acute sialadenitis is commonly caused by bacterial (Staphylococcus) or viral (paramyxovirus/mumps) infections.
    • Approximately 80% of salivary tumors are benign, with most occurring in the parotid gland or on the hard palate.

    Conclusions:

    • Salivary gland diseases encompass a range of conditions requiring accurate diagnosis and management.
    • Understanding the etiology of sialadenitis and the nature of salivary tumors is crucial for effective treatment.
    • This review summarizes key aspects of salivary gland pathology, aiding in clinical decision-making.