Extra inner hair cells in the developing rabbit cochlea

Development of the rabbit inner ear was analysed with respect to the presence of extra inner hair cells (XIHCs) in phalloidin-impregnated cochleas of newborn rabbits 0, 3 and 5 days of age. The number of XIHCs ranged from four to 77. The distribution was asymmetrical with a peak in the apical 3 mm o...

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Bibliographic Details
Published in:Hearing research 2002-10, Vol.172 (1), p.10-13
Main Authors: Borg, Erik, Viberg, Agneta
Format: Article
Language:English
Subjects:
Age Factors
Animals
Animals, Newborn
Biological and medical sciences
Cell Count
Cochlea - growth & development
Development
Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation
Fundamental and applied biological sciences. Psychology
Hair cell
Hair Cells, Auditory, Inner - cytology
Hair Cells, Auditory, Inner - growth & development
Hair Cells, Auditory, Inner - injuries
Hearing
Hearing Loss, Noise-Induced - pathology
Inner ear
Medicin och hälsovetenskap
Microscopy, Fluorescence
Rabbit
Rabbits
Vertebrates: nervous system and sense organs
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Summary:Development of the rabbit inner ear was analysed with respect to the presence of extra inner hair cells (XIHCs) in phalloidin-impregnated cochleas of newborn rabbits 0, 3 and 5 days of age. The number of XIHCs ranged from four to 77. The distribution was asymmetrical with a peak in the apical 3 mm of the cochlea. There was no general disorganisation in the vicinity of the XIHCs, and the numbers were highly symmetrical between the two ears. The number was significantly larger ( P
ISSN:0378-5955
1878-5891
DOI:10.1016/S0378-5955(02)00284-8