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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: Mar 9, 2026

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation

Published on: February 29, 2020

Inner ear malformations: a practical diagnostic approach.

M Mazón¹, E Pont², A Montoya-Filardi¹

¹Área Clínica de Imagen Médica, Hospital Universitario y Politécnico La Fe, Valencia, España.

|January 2, 2017

Summary

This summary is machine-generated.

Pediatric sensorineural hearing loss, often linked to inner ear malformations, requires accurate diagnosis. Neuroimaging is crucial for characterizing these malformations, guiding treatment and improving patient outcomes.

Keywords:

Abnormalities Anormalidades Aplasia coclear Cochlear aplasia Cochlear displasia Diagnostic imaging Displasia coclear Ear, inner Imagen diagnóstica Incomplete partition Oído interno Partición incompleta

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Last Updated: Mar 9, 2026

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In Vivo Morphometric Analysis of Human Cranial Nerves Using Magnetic Resonance Imaging in Menière's Disease Ears and Normal Hearing Ears

In Vivo Morphometric Analysis of Human Cranial Nerves Using Magnetic Resonance Imaging in Menière's Disease Ears and Normal Hearing Ears

Published on: February 21, 2018

Area of Science:

Otolaryngology
Radiology
Pediatric Medicine

Background:

Pediatric sensorineural hearing loss is a significant cause of disability.
Inner ear malformations represent 20-40% of these cases.
Accurate characterization is vital for patient management.

Purpose of the Study:

To survey inner ear anatomy and development.
To assess the role of neuroimaging in pediatric hearing loss and cochlear implantation.
To highlight the need for a universal classification system for inner ear malformations.

Main Methods:

Review of relevant anatomy and development of the inner ear.
Assessment of neuroimaging techniques (CT and MRI) in pediatric sensorineural hearing loss.
Analysis of radiological findings for various inner ear malformations.

Main Results:

Computed tomography and magnetic resonance imaging are essential for characterizing inner ear malformations.
These imaging modalities allow detailed assessment of anatomical structures.
This assessment aids in selecting appropriate treatment and surgical approaches.

Conclusions:

Neuroimaging plays a critical role in the diagnosis and management of pediatric sensorineural hearing loss due to inner ear malformations.
A standardized classification system for inner ear malformations is needed.
Radiological findings guide therapeutic and prognostic decisions.