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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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Updated: Apr 29, 2026

Pedicle Screw Placement Using an Augmented Reality Head-Mounted Display in a Porcine Model

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Integrating Augmented Reality Into Otologic Cadaveric Surgical Training.

Yuval Mizrakli^1,2,3, Dor Hadida Barzilai⁴, Netanel Nagar⁴

¹Department of Otolaryngology-Head and Neck Surgery, Shamir Medical Center (formerly Assaf Harofeh Medical Center), Zerifin, Israel.

The Laryngoscope

|April 27, 2026

Summary

This summary is machine-generated.

Augmented reality (AR) enhances temporal bone dissection training by overlaying 3D anatomical models onto cadavers. This pilot study found AR improved residents' understanding and spatial orientation, offering a valuable adjunct to traditional methods.

Keywords:

augmented reality (AR)mastoidectomy medical simulation surgical education temporal bone dissection

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Area of Science:

Medical Education
Surgical Simulation
Anatomy Visualization

Background:

Temporal bone dissection presents complex 3D anatomical challenges.
Traditional cadaver dissection methods have practical limitations.
Augmented reality (AR) can provide superimposed 3D anatomical visualizations.

Purpose of the Study:

To evaluate the feasibility of integrating AR into temporal bone dissection.
To assess AR's impact on otolaryngology residents' anatomical understanding.
To explore AR as an adjunct to traditional dissection training.

Main Methods:

Four otolaryngology residents performed temporal bone dissections using AR.
AR models were created from CT scans and overlaid on cadavers via HoloLens 2.
Dissection accuracy, efficiency, and participant feedback were evaluated.

Main Results:

Successful integration of AR into the dissection workflow.
Participants reported improved anatomical understanding and spatial orientation.
High dissection quality and overall participant satisfaction were noted.

Conclusions:

AR technology demonstrates significant potential for temporal bone dissection training.
Enhanced visualization through AR leads to greater anatomical comprehension.
AR serves as a valuable adjunct to conventional surgical education methods.