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High-Speed Human Temporal Bone Sectioning for the Assessment of COVID-19-Associated Middle Ear Pathology
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Standardization of experimental animals temporal bone sections.

Dalian Ding1,2,3, Jintao Yu4,1, Peng Li1,2

  • 1Center for Hearing and Deafness, Department of Communicative Disorders and Sciences, University of New York at Buffalo, Buffalo, NY 14214, USA.

Journal of Otology
|June 26, 2018
PubMed
Summary
This summary is machine-generated.

Standardizing temporal bone sectioning is crucial for accurate histological assessment of inner ear structures. This method ensures consistent measurement of sensory hair cells and neurons in the cochlear and vestibular systems.

Keywords:
Collodion embeddingDecalcificationExperimental animalTemporal boneTemporal bone section

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Area of Science:

  • Otolaryngology
  • Neuroscience
  • Histology

Background:

  • Accurate histological assessment of the inner ear requires standardized temporal bone sections.
  • Complex inner ear structures necessitate a common measurement standard for comparative studies.

Purpose of the Study:

  • To establish a standardized method for temporal bone sectioning for light microscopy.
  • To facilitate histological assessment of sensory hair cells and neurons in the cochlear and vestibular systems.

Main Methods:

  • Temporal bone sections are oriented parallel to the outer and internal auditory canals.
  • Sections are collected sequentially from epitympanum to hypotympanum.
  • Detailed preparation techniques including fixation, decalcification, staining, and embedding are discussed.

Main Results:

  • A standardized sectioning plane allows for consistent visualization of inner ear structures.
  • The described method reveals layers including semicircular canals, maculae, vestibular neurons, cochlear modiolus, and endolymphatic structures.
  • Technical details ensure proper embedding penetration and orientation for microscopy.

Conclusions:

  • Standardized temporal bone sectioning is vital for reliable histological analysis of the inner ear.
  • This method provides a reproducible approach for studying sensory hair cells and ganglion neurons.
  • The detailed protocol aids researchers in achieving consistent and comparable histological results.