setula
- Pronunciation
- /SET-yuh-luh/
- Category
- Anatomy
- Singular
- setula
- Plural
- setulae
Definition
A small, hair-like structure found on the exoskeleton of insects and arachnids, often functioning in sensory perception or protection.
Etymology
From Latin 'seta', meaning 'bristle', and the diminutive suffix '-ula' indicating small size.
Example
The setulae on the legs of a spider help it to sense vibrations in its environment.
Synonyms
- Microchaeta
- Hairlet
Related Terms
Usage Notes
Setulae can vary greatly in density and length, depending on their function and the species in which they are found.