ArticleJournal of the Association for Research in Otolaryngology : JARO2020
Anatomy of the Human Osseous Spiral Lamina and Cochlear Partition Bridge: Relevance for Cochlear Partition Motion.
Article in Journal of the Association for Research in Otolaryngology : JARO, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 18 citations in OpenAlex.
- Anatomical Integrity of the Human Cochlea Estimated with Optical Coherence Tomography for Future Clinical Application.Journal of the Association for Research in Otolaryngology : JARO · 2026Article
- Anatomical integrity of the human cochlea estimated with optical coherence tomography for future clinical application.bioRxiv : the preprint server for biology · 2025Article
- Volume rendering technique and high-resolution microCT: 3D exploration of the cochlear anatomy.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2025Article
- How the Human Cochlea Moves: Biomechanical Modeling of a Wide, Layered Osseous Spiral Lamina.Journal of the Association for Research in Otolaryngology : JARO · 2025Article
- 3D Computational Modeling of Blast Transmission through the Fluid-Filled Cochlea and Hair Cells.Annals of biomedical engineering · 2025Article
- The Reduced Cortilymph Flow Path in the Short-Wave Region Allows Outer Hair Cells to Produce Focused Traveling-Wave Amplification.Journal of the Association for Research in Otolaryngology : JARO · 2025Article
- Microanatomy of the human tunnel of Corti structures and cochlear partition-tonotopic variations and transcellular signaling.Journal of anatomy · 2024Article
- Quantitative Evaluation of the 3D Anatomy of the Human Osseous Spiral Lamina Using MicroCT.Journal of the Association for Research in Otolaryngology : JARO · 2023Article
- Models of Cochlea Used in Cochlear Implant Research: A Review.Annals of biomedical engineering · 2023Review
- Otosclerosis under microCT: New insights into the disease and its anatomy.Frontiers in radiology · 2022Article
Corrections and comments
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Authors and funding
11 authors at 3 institutions in 3 countries.
Funding
Abstract
The classic view of cochlear partition (CP) motion, generalized to be for all mammals, was derived from basal-turn measurements in laboratory animals. Recently, we reported motion of the human CP in the cochlear base that differs substantially from the classic view. We described a human soft tissue "bridge" (non-existent in the classic view) between the osseous spiral lamina (OSL) and basilar membrane (BM), and showed how OSL and bridge move in response to sound. Here, we detail relevant human anatomy to better understand the relationship between form and function. The bridge and BM have similar widths that increase linearly from base to apex, whereas the OSL width decreases from base to apex, leading to an approximately constant total CP width throughout the cochlea. The bony three-dimensional OSL microstructure, reconstructed from unconventionally thin, 2-μm histological sections, revealed thin, radially wide OSL plates with pores that vary in size, extent, and distribution with cochlear location. Polarized light microscopy revealed collagen fibers in the BM that spread out medially through the bridge to connect to the OSL. The long width and porosity of the OSL may explain its considerable bending flexibility. The similarity of BM and bridge widths along the cochlea, both containing continuous collagen fibers, may make them a functional unit and allow maximum CP motion near the bridge-BM boundary, as recently described. These anatomical findings may help us better understand the motion of the structures surrounding the organ of Corti and how they shape the input to the cochlear sensory mechanism.
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