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Related Concept Videos

Taste Buds and Receptors01:20

Taste Buds and Receptors

Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
Gustation01:43

Gustation

Gustation is a chemical sense that, along with olfaction (smell), contributes to our perception of taste. It starts with the activation of receptors by chemical compounds (tastants) dissolved in the saliva. The saliva and filiform papillae on the tongue distribute the tastants and increase their exposure to the taste receptors.
The Physiology of Taste01:24

The Physiology of Taste

The perception of a salty flavor is facilitated by sodium ions within the oral salivary fluid. Upon consumption of a salty substance, salt crystals disassemble, leading to the liberation of its constituents—Na+ and Cl- ions. These ions subsequently dissolve into the salivary fluid present in the oral cavity. The external environment of the gustatory cells experiences an elevation in Na+ concentration, thereby establishing a potent concentration gradient. This gradient propels the diffusion of...
Olfactory Receptors: Location and Structure01:03

Olfactory Receptors: Location and Structure

The process of olfaction, also known as the sense of smell, is a sophisticated chemical response system. The specialized sensory neurons that facilitate this process, known as olfactory receptor neurons, are situated in an upper segment of the nasal cavity, known as the olfactory epithelium. Olfactory sensory neurons are bipolar, with their dendrites extending from the epithelium's apex into the mucus that lines the nasal cavity. Airborne molecules, when inhaled, traverse the olfactory...
Chronic Pharyngitis01:23

Chronic Pharyngitis

Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
Acute Pharyngitis01:30

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:

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Related Experiment Video

Updated: Jun 12, 2026

Taste Exam: A Brief and Validated Test
07:10

Taste Exam: A Brief and Validated Test

Published on: August 17, 2018

Gustatory rhinitis.

Ljiljana Jovancevic1, Christos Georgalas, Slobodan Savovic

  • 1Clinical Centre of Vojvodina, ENT Clinic, Novi Sad, Serbia. ljjovan@eunet.rs

Rhinology
|May 27, 2010
PubMed
Summary
This summary is machine-generated.

Gustatory rhinitis, a non-immunological reaction causing watery rhinorrhea after eating, is likely due to trigeminal nerve stimulation. Intranasal anticholinergic agents are effective treatments.

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New Methods to Study Gustatory Coding
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Last Updated: Jun 12, 2026

Taste Exam: A Brief and Validated Test
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New Methods to Study Gustatory Coding
10:59

New Methods to Study Gustatory Coding

Published on: June 29, 2017

Area of Science:

  • Otolaryngology
  • Neuroscience
  • Immunology

Background:

  • Gustatory rhinitis presents as watery rhinorrhea triggered by food intake, typically hot or spicy.
  • This condition is a non-immunological response, distinct from allergic rhinitis, and lacks symptoms like itching or sneezing.
  • It is hypothesized to involve stimulation of trigeminal sensory nerve endings in the upper aerodigestive tract.

Purpose of the Study:

  • To explore the underlying mechanisms of gustatory rhinitis.
  • To review current treatment strategies for gustatory rhinitis.
  • To discuss the efficacy and limitations of various therapeutic interventions.

Main Methods:

  • Review of existing literature on gustatory rhinitis.
  • Analysis of immunohistological and pharmacological data.
  • Evaluation of clinical outcomes for different treatments.

Main Results:

  • Evidence suggests gustatory rhinitis involves trigeminal nerve stimulation and potentially a parasympathetic reflex activating cholinergic muscarinic receptors.
  • Intranasal anticholinergic agents, such as atropine, demonstrate effectiveness when used prophylactically or therapeutically.
  • Surgical interventions like posterior nasal nerve resection or vidian nerve neurectomy are generally not recommended due to limited efficacy and side effects.

Conclusions:

  • Gustatory rhinitis is likely mediated by trigeminal nerve stimulation, with a potential role for cholinergic pathways.
  • Intranasal anticholinergic therapy offers a viable and effective treatment option.
  • Surgical options for gustatory rhinitis are discouraged owing to poor outcomes and adverse effects.