| 释义 |
pneumoderm Zool.|ˈpnjuːməʊdɜːm, ˈnjuː-|
[f. pneumo- b + Gr. δέρµα skin.]
A gymnosomatous pteropod of the family Pneumodermidæ (typical genus Pneumodermon or Pneumoderma), having processes of the skin which serve as gills.
[1878Bell tr. Gegenbaur's Comp. Anat. 326 In Pneumodermon..two of these bodies are beset with suckers. 1888Rolleston & Jackson Anim. Life 468 The general surface of the body is respiratory in Gymnosomata. Pneumodermon, however, possesses three contractile and richly ciliated processes at the apex of the visceral dome, in and out of which the blood passes.] |