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两个缓慢传导系统协调寄生海葵Calliactis parasitica的壳攀爬行为。

Two slow conduction systems co-ordinate shell-climbing behaviour in the sea anemone Calliactis parasitica.

作者信息

McFarlane I D

出版信息

J Exp Biol. 1976 Apr;64(2):431-45. doi: 10.1242/jeb.64.2.431.

DOI:10.1242/jeb.64.2.431
PMID:6608
Abstract
  1. Pulses in two slow conducting systems, the ectodermal SS 1 and the endodermal SS 2, were recorded during shell-climbing behaviour. The mean pulse interval of SS 1 pulses was 7-4 s and that of SS 2 pulses was 6-4 s. Activity in both systems may arise as a sensory response of tentacles to shell contact, but the SS 1 and SS 2 may not share the same receptors. 2. Electrical stimulation of the SS 1 and SS 2 together, at a frequency of 1 shock every 5 s, elicits shell-climbing behaviour in the absence of a shell. 3. Low-frequency nerve-net activity (about 1 pulse every 15 s) accompanies column bending during both normal and electrically elicited responses. This activity probably arises as a result of column bending and is not due to a sensory response to the shell.
摘要
  1. 在爬壳行为期间,记录了两个传导速度较慢的系统——外胚层的SS 1和内胚层的SS 2中的脉冲。SS 1脉冲的平均脉冲间隔为7.4秒,SS 2脉冲的平均脉冲间隔为6.4秒。两个系统中的活动可能是触角对壳接触的感觉反应产生的,但SS 1和SS 2可能没有相同的感受器。2. 以每5秒1次电击的频率同时对SS 1和SS 2进行电刺激,在没有壳的情况下会引发爬壳行为。3. 在正常反应和电诱发反应期间,低频神经网活动(约每15秒1个脉冲)伴随着柱弯曲。这种活动可能是柱弯曲的结果,而不是对壳的感觉反应。

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