- a stiff hair; bristle or bristlelike part.
Origin of seta
Examples from the Web for setae
Historical Examples of setae
Two setae are located on the vertex and two on the occupit of head.
No other member of the group is known to have any trace of setae or parapodia at any stage of development.
Setae dark amber to nearly ferruginous, darker than usual in squamatus.
Setae numerous; the appendage short, falcate, with tip simple, but a slender tooth near middle of curved edge.
Setae all simple, limbate, in a single series of mostly six in the middle region of the body.
- (in invertebrates and some plants) any bristle or bristle-like appendage
- (in mosses) the stalk of the sporophyte that bears the capsule
Word Origin for seta
Word Origin and History for setae
plural setae, 1793, from Latin seta "bristle," from PIE root *sai- "to tie, bind" (see sinew). Related: Setaceous.
- A stiff hair, bristle, or bristlelike process or part.
- A stiff hair, bristle, or bristlelike process or part on an organism. Setae on the bodies of spiders are used as sensory organs, while setae on the bodies of many polychaete worms, such as earthworms, are used for locomotion. Microscopic setae on the feet of geckos allow adhesion to vertical surfaces.