Letter | Published:

Responses of Cerianthus to Stimulation

Naturevolume 180pages13681369 (1957) | Download Citation



THE neuromuscular activities of the Anthozoa have been studied extensively as examples of the working of the ‘elementary nervous system’1,2. Most of the information in this field comes from the sea anemones, the order Actinaria, sessile animals which exhibit basic patterns of slow periodic activity together with certain quick protective responses. The latter are facilitated responses in which single electrical stimuli are ineffective; responses occur only to the second and subsequent stimuli of a series within a limited frequency-range3.

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  1. 1

    Parker, G. H., “The Elementary Nervous System” (J. B. Lippincott, Philadelphia, 1919).

  2. 2

    Pantin, C. F. A., Proc. Roy. Soc. B, 140, 147 (1952).

  3. 3

    Pantin, C. F. A., J. Exp. Biol., 12, 119 (1935).

  4. 4

    Torelli, B., Pubbl. Staz. Zool. Napoli, 12, 1 (1932).

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  1. Zoology Department, University College, Gower Street, London, W.C.1.

    • D. M. ROSS


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