perisome
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English
[edit]Noun
[edit]perisome (plural perisomes)
- (biology) The outer body of an invertebrate; the integument
- 1878, Carl Gegenbaur, Elements of Comparative Anatomy, page 205:
- In many Echinoïda, as in the Asteroïda, the calcareous plates of the perisome are movably connected together, and so allow of changes in the form of the body.