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seta


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(pl. setae)

1 A bristle or hair in many invertebrates. Setae are produced by the epidermis and consist either of a hollow projection of cuticle containing all or part of an epidermal cell (as in insects) or are composed of chitin (as in the chaetae of annelid worms).

2 See sporogonium.

Subjects: Biological Sciences.


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