CHAETA

(Redirected from Chaetae)
A 'chaeta' or 'cheta' (see spelling differences) is a bristle or seta found on annelid worms such as the earthworm. The plural form is 'chaetae' or 'chetae'.
In the Polychaeta, they are located on the parapodia. They consist of two sets in ''Hediste diversicolor'' (=''Nereis diversicolor''), one below the dorsal cirrus on the notopodium and another above the ventral cirrus on the neuropodium.