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Anatomy of the Ear

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: Nov 17, 2025

Identification and Characterization of Immunogenic RNA Species in HDM Allergens that Modulate Eosinophilic Lung Inflammation

Identification and Characterization of Immunogenic RNA Species in HDM Allergens that Modulate Eosinophilic Lung Inflammation

Published on: May 30, 2020

House Dust Mites in Human ear.

S Alazzawi¹, E L Y Lynn¹, J Ibrahim²

¹Department of Otorhinolaryngology, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia.

Tropical Biomedicine

|February 13, 2021

Summary

This summary is machine-generated.

House dust mites were found in the ears of over 7% of patients in a tropical study. This suggests mites may be common inhabitants of human external ears in these regions.

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Area of Science:

Medical Entomology
Parasitology
Dermatology

Background:

Human ear canal colonization by mites is not well-documented.
Environmental factors in tropical regions may influence mite presence.

Purpose of the Study:

To investigate the prevalence of mites in the human ear canal.
To determine if house dust mites are commensals in tropical ear environments.

Main Methods:

Examination of ear scrapings from 58 patients (113 ears).
Microscopic analysis by a trained parasitologist.
Focus on identifying house dust mites (Dermatophagoides spp.).

Main Results:

House dust mites were identified in 8 out of 113 (7.1%) ears examined.
Prevalence varied across the studied patient cohort.

Conclusions:

Mites, specifically house dust mites, appear to be normal commensals of the external ear canal.
Findings are relevant to understanding human-arthropod interactions in tropical climates.