Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
A bristle or a slender, stiff, bristle-like structure.
[L. saeta or seta, a stiff hair or bristle]
Farlex Partner Medical Dictionary © Farlex 2012
n. pl. chae·tae (-tē′)
A bristle or seta, especially of an annelid worm.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
setaa bristle-like structure, often chitinous (see CHITIN). The structures are found particularly in ANNELID worms, where they occur as projections on most segments, and serve as anchors for that segment during locomotion.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005