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In humans, the photoreceptor cells of the eye and sensory hair cells of the ear lack stem cells. These cells are thus unrenewable and cannot be replaced when they are damaged or destroyed.
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Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

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Same author

Bacterial aetiology of recalcitrant acute otitis media in 62 children-high risk of pathogen colonisation after treatment.

Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·2017
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[Familial occurrence of hearing loss following streptomycin (SM) treatment].

Otolaryngologia polska = The Polish otolaryngology·2002
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[The personality of children with repeated nose injuries].

Otolaryngologia polska = The Polish otolaryngology·2002
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Acoustic analysis of voice in children with noduli vocales.

International journal of pediatric otorhinolaryngology·2001
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The senses of smell and taste in anorexia.

Annales Universitatis Mariae Curie-Sklodowska. Sectio D: Medicina·2001
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Voice disorders in children with gastroesophageal reflux disease.

Annales Universitatis Mariae Curie-Sklodowska. Sectio D: Medicina·2001

Related Experiment Video

Updated: Jul 22, 2026

Modified Experimental Conditions for Noise-Induced Hearing Loss in Mice and Assessment of Hearing Function and Outer Hair Cell Damage
07:13

Modified Experimental Conditions for Noise-Induced Hearing Loss in Mice and Assessment of Hearing Function and Outer Hair Cell Damage

Published on: February 10, 2023

Hearing loss in chronic alcoholics.

G Niedzielska1, E Katska, W Kusa

  • 1Department of Paediatric Otolaryngology, Phoniatry and Audiology, Medical University of Lublin.

Annales Universitatis Mariae Curie-Sklodowska. Sectio D: Medicina
|April 30, 2002
PubMed
Summary

Chronic alcohol abuse significantly damages hearing, affecting outer hair cells and brain stem pathways. This study reveals sensorineural hearing loss in alcoholics, highlighting the critical impact of excessive alcohol consumption on auditory function.

Area of Science:

  • Otolaryngology
  • Neuroscience
  • Toxicology

Background:

  • Alcohol abuse is a widespread issue with known detrimental effects on various bodily systems.
  • Auditory system damage, including hearing loss and psychical disorders, is a documented consequence of chronic excessive alcohol consumption.
  • Understanding the specific mechanisms and locations of hearing organ damage in alcoholics is crucial for effective intervention.

Purpose of the Study:

  • To evaluate the extent and specific location of auditory organ damage in individuals with a history of alcoholism.
  • To investigate the relationship between chronic alcohol abuse and sensorineural hearing loss.
  • To assess the functional integrity of the auditory pathway from the cochlea to the brain stem in alcohol-dependent patients.

Main Methods:

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  • Audiologic examinations were performed on 30 individuals diagnosed with alcoholism.
  • The diagnostic procedures included pure-tone audiometry, impedance audiometry, otoacoustic emissions testing, and evoked brain stem responses.
  • These tests collectively assessed hearing sensitivity, middle ear function, cochlear outer hair cell integrity, and neural pathway function.

Main Results:

  • All 30 patients exhibited sensorineural hearing loss.
  • Otoacoustic emissions were absent in the patients, indicating damage to the outer hair cells of the cochlea.
  • Evoked brain stem responses revealed damage to the auditory pathways within the brain stem.

Conclusions:

  • Chronic excessive alcohol consumption leads to significant sensorineural hearing loss.
  • Alcohol abuse directly damages cochlear outer hair cells, as evidenced by the lack of otoacoustic emissions.
  • The auditory pathways in the brain stem are also compromised in alcoholics, contributing to overall hearing impairment.