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Related Concept Videos

The Tongue and Taste Buds00:49

The Tongue and Taste Buds

40.6K
The surface of the tongue is covered with various small bumps called papillae, which either distribute what has been ingested (filiform papillae) or contain the sensory taste (or gustatory) receptor cells (fungiform, circumvallate, and foliate papillae). Embedded within each taste-related papilla are the taste buds—clusters of 30 to 100 gustatory receptor cells.
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Enteral Nutrition I: Orogastric and Nasogastric Feeding01:26

Enteral Nutrition I: Orogastric and Nasogastric Feeding

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Enteral nutrition delivers nutrients directly to the stomach or small intestine through a tube. This method is appropriate for patients who cannot eat but still have a functioning digestive system. It is also beneficial for individuals with swallowing difficulties, anorexia, malabsorption, or those who have undergone gastrointestinal (GI) surgery.
Orogastric (OG) and nasogastric (NG) feeding are two standard methods used for enteral nutrition. Enteral nutrition is often preferred over...
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Chronic Pharyngitis01:23

Chronic Pharyngitis

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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,...
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Tonsillitis II: Management01:26

Tonsillitis II: Management

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This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
403
Tonsillitis I: Introduction01:30

Tonsillitis I: Introduction

1.8K
Tonsillitis is inflammation of the tonsils, which are two lymphoid tissue masses at the back of the throat. This condition can cause discomfort and irritation in the throat.
Etiology
Three primary contributing factors have been identified.
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Pharynx01:20

Pharynx

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The pharynx, a tubular structure framed by skeletal muscle and lined with mucous membrane, extends continuously from the nasal cavities. It is segmented into three major areas: the nasopharynx, oropharynx, and laryngopharynx.
Nasopharynx
The nasopharynx, bordered by the conchae of the nasal cavity, serves exclusively as an air conduit. In its superior region, the pharyngeal tonsils or adenoids are located. These tonsils are clusters of lymphoid reticular tissue akin to a lymph node. The precise...
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Related Experiment Video

Updated: Jan 18, 2026

Author Spotlight: Advancing Awake Nasotracheal Intubation with Flexible Video Rhino-Laryngoscopes
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Author Spotlight: Advancing Awake Nasotracheal Intubation with Flexible Video Rhino-Laryngoscopes

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[N. glossopharyngeus and tonsillectomy (author's transl)].

C Beck

    Laryngologie, Rhinologie, Otologie
    |May 1, 1979
    PubMed
    Summary

    Tonsillectomy can damage the glossopharyngeal nerve, causing soft palate paralysis and taste impairment. Symptoms may resolve within two years, but treatments like speech therapy can help manage permanent nerve damage.

    Area of Science:

    • Otorhinolaryngology
    • Neurology

    Context:

    • The glossopharyngeal nerve (CN IX) traverses the pharyngeal space.
    • Tonsillectomy is a common surgical procedure.
    • Potential for iatrogenic nerve injury exists during surgery.

    Purpose:

    • To highlight the risk of glossopharyngeal nerve damage during tonsillectomy.
    • To describe the resulting neurological deficits.
    • To discuss potential treatment and recovery.

    Summary:

    • Damage to the glossopharyngeal nerve trunk during tonsillectomy can lead to soft palate paralysis and taste dysfunction.
    • These deficits may be temporary, resolving within two years, or permanent.
    • Logopedia (speech therapy) and relaxation therapy are potential management strategies for persistent symptoms.

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    CO2-Lasertonsillotomy Under Local Anesthesia in Adults
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    Related Experiment Videos

    Last Updated: Jan 18, 2026

    Author Spotlight: Advancing Awake Nasotracheal Intubation with Flexible Video Rhino-Laryngoscopes
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    Isolation of Tonsillar Mononuclear Cells to Study Ex Vivo Innate Immune Responses in a Human Mucosal Lymphoid Tissue
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    CO2-Lasertonsillotomy Under Local Anesthesia in Adults
    05:07

    CO2-Lasertonsillotomy Under Local Anesthesia in Adults

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    Impact:

    • Informs surgeons about potential complications of tonsillectomy.
    • Educates patients on possible risks and recovery.
    • Guides therapeutic approaches for nerve-related post-tonsillectomy symptoms.