Thigmotropism ( haptotropism ) A tropism in which the stimulus is touch.

向触性：生物体接触到刺激时发生向性运动。

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These mechanoreceptor organs, like the hair cells in the human ear, mechanically transmit the stimulus of touch or sound waves.

动物的这种机械性刺激感受器官，诸如人类耳朵里的毛细胞，能够机械性地发出触觉波或声波的激源。

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These mechanoreceptor organs, like the hair cells in the human ear, mechanically transmit the stimulus of touch or sound waves.

动物的这种机械性刺激感受器官，诸如人类耳朵里的毛细胞，能够机械性地发出触觉波或声波的激源。

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