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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

An intrinsic frequency limit to the cochlear amplifier

Article Abstract:

The cochlear amplifier in the inner ear determines hearing in mammals. The amplifier consists of senorimotor cells, outer hair cells, which change the passive mechanics of the cochlea. It is thought that the molecular basis of the mechanism is a voltage-sensitive motor protein. The limiting frequency at which the motor operates is shown to lie near 25 kHz, setting an upper limited to the hearing range in mammalian cochleas.

Author: Ashmore, Jonathan F., Gale, Jonathan E.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1997
Physiological aspects

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A fantasia on Kolliker's organ

Article Abstract:

The sense organs are shown to develop various afferent nerves that connect the organ to the central nervous system. An analysis also shows that the cells of a transient structure known as Kolliker's organ can also generate their own virtual music for the purpose.

Author: Forsythe, Ian D.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Report

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The origin of spontaneous activity in the developing auditory system

Article Abstract:

The origin and importance of spontaneous activity in developing auditory system for neuronal survival of the brain are explained. The results confirm that peripheral, non-sensory cells are essential for the maturation of auditory pathways in the brain.

Author: Bergles, Dwight E., Tritsch, Nicolas X., Eunyoung Yi, Gale, Jonathan E., Glowatzki, Elisabeth
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Brain

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Subjects list: Research, Hearing, Cochlea, Adenosine triphosphate, ATP, Auditory pathways, Auditory pathway
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