| 释义 |
rhopalium Zool.|rəʊˈpeɪlɪəm|
Pl. -ia.
[mod.L., f. Gr. ῥόπαλον club.]
Each of a number of marginal sense-organs in some jellyfish. Hence rhoˈpalial a.
1888Rolleston & Jackson Forms Animal Life (ed. 2) 782 These tentacles shorten, and their basal portions are converted into the sensory bodies or rhopalia of the Medusa. 1979Nature 13 Sept. 141/2 Swimming in scyphozoans is under control of rhopalial pacemakers. Ibid., Jellyfish stopped swimming when we removed the rhopalia. Ibid., Motor impulses originating in the rhopalium and conducted into the subumbrellar nerve-net were recorded. |