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Salivary Glands and Saliva

Salivary Glands and Saliva

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,...

Exocrine Glands: Types of Secretions

Exocrine Glands: Types of Secretions

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...

Accessory Organs

Accessory Organs

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.

Exocrine Glands: Methods of Secretion

Exocrine Glands: Methods of Secretion

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 glands...

Lipid Digestion

Lipid Digestion

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.

Introduction Cardiac Emergencies

Introduction Cardiac Emergencies

Cardiac emergencies are critical situations involving the heart that require immediate medical intervention to prevent severe complications or death. These emergencies often arise from underlying heart conditions that impair the heart's ability to function correctly.Types of Cardiac EmergenciesThe most common types of cardiac emergencies include Acute Coronary Syndrome (ACS), myocardial infarction (MI), cardiac arrest, and heart failure.Acute Coronary Syndrome (ACS)Acute Coronary Syndrome (ACS)...

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Related Experiment Video

Updated: May 12, 2026

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

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

Published on: July 15, 2019

Salivary gland emergencies.

Matthew A Armstrong¹, Michael A Turturro

¹Mike O'Callaghan Federal Hospital, Nellis Air Force Base, Las Vegas, NV, USA. matthew.armstrong@nellis.af.mil

Emergency Medicine Clinics of North America

|April 23, 2013

Summary

Salivary gland disorders are rare in emergency departments and present a diagnostic challenge. This guide synthesizes current literature to aid emergency practitioners in managing these uncommon conditions.

Area of Science:

Emergency Medicine
Otolaryngology
Pathology

Background:

Salivary gland disorders are infrequently encountered in emergency departments.
A broad differential diagnosis, including infectious, autoimmune, neoplastic, and metabolic causes, complicates diagnosis.
Limited evidence-based data and conflicting management recommendations exist.

Purpose of the Study:

To provide a concise guide for emergency care practitioners on managing salivary gland disorders.
To reconcile existing literature on the diagnosis and management of these conditions.
To address the diagnostic challenges posed by salivary gland disorders in the emergency setting.

Main Methods:

Literature review and synthesis of existing evidence.
Reconciliation of incongruent data from various sources.

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Last Updated: May 12, 2026

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

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Published on: July 15, 2019

Genetic Modification and Recombination of Salivary Gland Organ Cultures

Genetic Modification and Recombination of Salivary Gland Organ Cultures

Published on: January 28, 2013

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Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea

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Focus on conditions relevant to emergency care practitioners.

Main Results:

Salivary gland disorders, though uncommon, require careful diagnostic consideration.
Management strategies can be challenging due to limited evidence.
This article offers a consolidated approach to encountered salivary gland disorders.

Conclusions:

Emergency practitioners can effectively manage salivary gland disorders by utilizing synthesized evidence.
A structured approach aids in overcoming diagnostic and therapeutic challenges.
This guide serves as a valuable resource for emergency care of salivary gland conditions.