Gripping parts of gecko footpads

• Botanical bristles
• Caterpillar parts
• Caterpillar hairs, e.g
• Hairbrush bristles
• Plant bristles
• Hairlike parts, such as those that help geckos cling to walls
• Gecko's grippers
• Plants' coarse hairs
• Bristles, to a biologist

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Seta \Se"ta\ (s[=e]"t[.a]), n.; pl. Set[ae] (s[=e]"t[=e]). [L. seta, saeta, a bristle.] (Biol.) Any slender, more or less rigid, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, ...