Seta

For other uses, see Seta (disambiguation).
"Setae" redirects here. For the town of ancient Lydia, see Setae (Lydia).
Look up seta in Wiktionary, the free dictionary.

In biology, setae (/ˈsiːtiː/; sg. seta /ˈsiːtə/; from Latin saeta 'bristle') are any of a number of different bristle- or hair-like structures on living organisms.