DIRECTIONAL SENSITIVITY OF HAIR CELL AFFERENTS IN THE OCTOPUS STATOCYST

被引：0

作者：

BUDELMANN, BU

WILLIAMSON, R

机构：

[1] UNIV TEXAS, MED BRANCH, DEPT OTOLARYNGOL, GALVESTON, TX 77555 USA

[2] MARINE BIOL ASSOC UNITED KINGDOM LAB, PLYMOUTH PL1 2PB, DEVON, ENGLAND

来源：

JOURNAL OF EXPERIMENTAL BIOLOGY | 1994年 / 187卷

关键词：

STATOCYST; MECHANORECEPTOR; HAIR CELL; DIRECTIONAL SENSITIVITY; CEPHALOPODS; OCTOPUS; OCTOPUS BIMACULOIDES;

D O I：

暂无

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Changes in threshold sensitivity of hair cell afferents of the macula and crista of the Octopus statocyst were analyzed when the hair cells were stimulated with sinusoidal water movements from different directions. The experiments indicate that cephalopod statocyst hair cells are directionally sensitive in a way that is similar to the responses of the hair cells of the vertebrate vestibular and lateral line systems, with the amplitude of the response changing according to the cosine of the angle by which the direction of the stimulus (the deflection of the ciliary bundle) deviates from the direction of the hair cell's morphological polarization.

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页码：245 / 259

页数：15

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