Chaeta

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Chaetae (singular chaeta) are bristles or seta found on annelid worms such as the earthworm. They are also often spelled chetae (or cheta for the singular).

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.


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