gaseous plastron

gaseous plastron
see plastron.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • plastron — n. [F. plastron, breast plate] 1. The chorion of some eggs. 2. (ARTHROPODA: Insecta) A permanent film of air retained by hairs on the outside of an aquatic insect body allowing an air water interface for gaseous exchange. 3. ECHINODERMATA:… …   Dictionary of invertebrate zoology

  • respiration — respirational, adj. /res peuh ray sheuhn/, n. 1. the act of respiring; inhalation and exhalation of air; breathing. 2. Biol. a. the sum total of the physical and chemical processes in an organism by which oxygen is conveyed to tissues and cells,… …   Universalium

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