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Correlative study of sensory cell density and cochlear length in humans
In the group of 50 cochlea from 28 men aged 38-73 years a great variability in the length of the cochlear duct was found ranging from 28.0 to 40.1 mm, which indicates that long coChleae have more sensory cells in a given frequency region. Expand
Hair cell distributions in the normal human cochlea.
- A. Wright, A. Davis, G. Bredberg, L. Úlehlová, H. Spencer
- Chemistry, Medicine
- Acta oto-laryngologica. Supplementum
The proportional method of representation of location within the cochlea gave the best fit of the available data and the proportional cytocochleograms are presented, although the data for all three methods are included in tabular form. Expand
Hair cell distributions in the normal human cochlea. A report of a European working group.
Cochlear hair cell counts from individuals who had clinically normal hearing prior to their death have been plotted for various age bands as a function of the number of hair cells per millimetre… Expand
Cochlear hair‐cell populations and limits of resolution of hearing in two vespertilionid bats, Nyctalus noctula and Eptesicus serotinus
A comparison of the population of cochlear hair cells with known hearing resolution capabilities in two species of bats has revealed a close correlation between morphological and functional parameters, which has implications on differences in feeding ecology and hunting strategies between these species. Expand
A comparison of initial and permanent surface changes to guinea pig hair cells after acoustic overstimulation
No differences were found in the extents of damage when the various exposure groups were compared, and changes due to overstimulation were present in the contralateral ears. Expand
Involution of the auditory neuro-epithelium in a tiger (Panthera tigris) and a jaguar (Panthera onca).
Numerical atrophy of the hair cells of the organ of Corti of the inner ear in a 14- year-old tiger and a 17-year-old jaguar is described and the development of the physiological involution of the hearing neuro-epithelium is discussed. Expand
Recovery of the endocochlear potential and the K+ concentrations in the cochlear fluids after acoustic trauma
The results imply that the inner ear mechanisms maintaining positive EP, Ke+ and Kp+ are severely damaged after acoustic trauma and that their function is restored in 5-20 days. Expand
Light and electron microscopic appearance of the inner ear in juvenile ceroid lipofuscinosis (CL).
- M. Elleder, L. Voldřich, L. Úlehlová, S. Dimitt, D. Armstrong
- Chemistry, Medicine
- Pathology, research and practice
- 1 June 1988
Inner ear cells were studied by histology, histochemistry and electron microscopy in one case of juvenile form of ceroid lipofuscinosis and offer a new modell for functional-structural relationship and point to the urgent need of further studies of the inner ear in CL and lysosomal storage generally. Expand
Idiopathic hair cell loss in the guinea pig
SummaryAn incidence of specific, marked sensory cell loss affecting 12–88% of the outer hair cells in the third cochlear turn was found in a group of 130 healthy, coloured, intact guinea pigs divided… Expand
Modified staining technique for surface preparation of the organ of Corti
The method described proves to be very useful for histological examination of human temporal bones as well and makes possible an immediate evaluation of the hair cells of the human cochlea and direct correlation of the inner ear pathology with audiometric data. Expand