In biology, setae are any of a number of different bristle- or hair-like structures on living organisms.
Setae on the foreleg of a mayfly
Close-up of the underside of a gecko's foot as it walks on vertical glass
Common house geckos mating on a vertical glass window and showing lamellae under the feet
Pointed setae protruding into the fertile surface tubes of the bracket fungus Phellinus gilvus. Click on image
Geckos are small, mostly carnivorous lizards that have a wide distribution, found on every continent except Antarctica. Belonging to the infraorder Gekkota, geckos are found in warm climates throughout the world. They range from 1.6 to 60 centimetres.
Skeleton of Eichstaettisaurus, thought to be an early member of the gecko lineage
Fossil of Yantarogekko preserved in Baltic amber