Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

The Cochlea01:13

The Cochlea

43.8K
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
43.8K

You might also read

Related Articles

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

Sort by
Same author

Suturing maneuvers and technical insufficiencies in microvascular anastomosis dry laboratory training analyzed with the skill decomposition approach.

Surgical neurology international·2026
Same author

Microsurgical resection of cervical ependymomas in semisitting position: Technical considerations and outcomes from a case series.

Neurosurgical review·2026
Same author

Outcomes following intraoperative rupture of cerebral aneurysms during microsurgical clipping: a systematic review and meta-analysis.

Neurosurgical review·2026
Same author

Idiopathic multifocal calcinosis cutis presenting in a cat with vestibular syndrome: clinical, radiographic and histopathological findings.

JFMS open reports·2026
Same author

Ventriculoperitoneal shunt distal dysfunction due to peritoneal malabsorption: etiologies and management strategies-An institutional review.

Neurosurgical review·2026
Same author

Honoring the Mentors from 2024: A Tribute to Their Legacy.

Turkish neurosurgery·2026

Related Experiment Video

Updated: May 10, 2025

The Miniature Pig: A Large Animal Model for Cochlear Implant Research
06:16

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

Published on: July 28, 2022

2.7K

The Cochlear Dimple: A Novel Landmark for Cochlear Protection During Middle Fossa Surgery-A Cadaveric Laboratory

Ali Tayebi Meybodi1, Andrea L Castillo, Ahmet Ozak

  • 1Department of Neurosurgery, The Loyal and Edith Davis Neurosurgical Research Laboratory, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix , Arizona , USA.

Operative Neurosurgery (Hagerstown, Md.)
|April 21, 2025
PubMed
Summary

The cochlear dimple, a triangular depression near the internal auditory canal (IAC), reliably identifies cochlear location during middle fossa surgery. This landmark enhances cochlear safety by providing a direct, independent reference point.

Keywords:
Acoustic neuromaCochleaInternal auditory canalMiddle cranial fossaPetrous internal carotid arteryVestibular schwannoma

More Related Videos

Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol
06:42

Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol

Published on: August 18, 2023

585
Cochlear Surface Preparation in the Adult Mouse
09:51

Cochlear Surface Preparation in the Adult Mouse

Published on: November 6, 2019

15.6K

Related Experiment Videos

Last Updated: May 10, 2025

The Miniature Pig: A Large Animal Model for Cochlear Implant Research
06:16

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

Published on: July 28, 2022

2.7K
Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol
06:42

Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol

Published on: August 18, 2023

585
Cochlear Surface Preparation in the Adult Mouse
09:51

Cochlear Surface Preparation in the Adult Mouse

Published on: November 6, 2019

15.6K

Area of Science:

  • Neurosurgery
  • Anatomy
  • Otology

Background:

  • Cochlear safety is critical in middle fossa surgery due to the cochlea's proximity to the internal auditory canal (IAC).
  • Current localization methods rely on indirect anatomical relationships and average distances, posing potential risks.

Purpose of the Study:

  • To evaluate the cochlear dimple as a direct anatomical landmark for cochlear localization during middle fossa approaches to the IAC.
  • To assess the feasibility and safety of using this landmark.

Main Methods:

  • Simulation of the middle fossa approach in 13 cadaveric temporal bone specimens and 2 intact heads.
  • Drilling the middle fossa rhomboid to expose the IAC and identify the cochlear dimple.

Main Results:

  • The cochlear dimple, a triangular depression, was consistently identified in all specimens.
  • It was located an average of 3.2 mm from the cochlea, and its exposure did not compromise cochlear integrity.
  • The landmark is formed by the divergence of the facial and cochlear nerves near the IAC fundus.

Conclusions:

  • The cochlear dimple serves as a direct and independent anatomical landmark for cochlear localization.
  • It offers an additional safety measure to protect the cochlea during middle fossa surgery.
  • Its identification is not dependent on other anatomical structures.