seta

views updated May 23 2018

se·ta / ˈsētə/ • n. (pl. -tae / -tē/ ) chiefly Zool. a stiff hairlike or bristlelike structure, esp. in an invertebrate. ∎ Bot. (in a moss or liverwort) the stalk supporting the capsule.DERIVATIVES: se·ta·ceous / siˈtāshəs/ adj.se·tal adj.

seta

views updated Jun 27 2018

seta (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.

seta

views updated Jun 11 2018

seta
1. A stiff, hair-like or bristle-like structure.

2. The stalk of a moss or liverwort capsule.

seta

views updated Jun 11 2018

seta A stiff, hair-like or bristle-like structure; ‘setae’ is sometimes used synonymously with chaetae.

seta

views updated May 08 2018

seta Stiff, hair-like or bristle-like structure.