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Related Concept Videos

Larynx01:21

Larynx

The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
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Cranial Nerves: Overview and Anatomy

The cranial nerves are an important part of the complex network of nerves in the human body. These nerves emerge directly from the brain and are responsible for transmitting essential information between the brain and various parts of the head and neck. There are 12 pairs of cranial nerves, systematically numbered using Roman numerals from I to XII, beginning from the anterior and moving to the posterior of the brain. Each cranial nerve is uniquely identified by names that reflect its function...
Cranial Nerves: Types Part II01:22

Cranial Nerves: Types Part II

Cranial nerves are responsible for transmitting motor and sensory information between the brain and various parts of the body. There are twelve pairs of cranial nerves. While the first six innervate the head and neck, the latter six nerves innervate the head and neck, as well as organs and tissues in the thoracic and abdominal cavities. They facilitate communication, expression, and autonomic control within the human body.
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Cranial Nerves: Types Part I01:14

Cranial Nerves: Types Part I

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Suctioning the Nasopharyngeal Airway01:29

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Nasopharyngeal suctioning is a procedure to remove secretions from the upper part of the respiratory tract that the patient cannot clear independently. It helps maintain airway patency and prevents complications such as aspiration pneumonia.
Equipment Required
Anatomy of the Ear01:16

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...

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Related Experiment Video

Updated: Jun 4, 2026

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
07:45

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

Published on: December 1, 2023

[Neurolaryngology].

Faustino Núñez-Batalla1, Juan Pablo Díaz-Molina, María Costales-Marcos

  • 1Servicio de Otorrinolaringología, Hospital Universitario Central de Asturias, España. fnunezb@telefonica.net

Acta Otorrinolaringologica Espanola
|February 26, 2011
PubMed
Summary

The complex neuroanatomy of voice and speech relies on intricate neural networks. Neurological disorders can disrupt laryngeal function, necessitating thorough neurological and otolaryngologic evaluations for voice complaints.

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Area of Science:

  • Neuroscience
  • Otolaryngology
  • Speech and Voice Science

Background:

  • The larynx performs vital functions including airway protection and voice production.
  • Complex neural networks control laryngeal functions, making them vulnerable to neurological disorders.
  • Disruptions in laryngeal function can manifest as voice and speech impairments.

Purpose of the Study:

  • To highlight the intricate neuroanatomy of voice and speech.
  • To emphasize the impact of neurological disorders on laryngeal function.
  • To underscore the importance of neurological and otolaryngologic evaluations for voice disorders.

Main Methods:

  • Review of the neuroanatomical basis of laryngeal function.
  • Discussion of common neurological disorders affecting the larynx.
  • Emphasis on diagnostic approaches including neurological examination and laryngoscopy.

Main Results:

  • Neurological disorders such as Parkinson's disease, stroke, ALS, MS, dystonia, and essential tremor significantly affect laryngeal function.
  • Voice complaints can be indicative of underlying neurogenic causes.
  • Dynamic endoscopic visualization of the larynx is a key diagnostic tool.

Conclusions:

  • A comprehensive neurological evaluation is essential for patients with voice complaints potentially caused by neurological issues.
  • Otolaryngologic assessment plays a critical role in diagnosing and managing laryngeal dysfunction due to neurological disorders.
  • Integrated diagnostic approaches are crucial for effective patient management.