seta
- Pronunciation
- /SEE-tuh/
- Category
- Anatomy
- Singular
- seta
- Plural
- setae
Definition
A stiff hair-like or bristle-like structure on the body of an insect or arachnid, often serving tactile or sensory functions.
Etymology
From Latin 'seta', meaning 'bristle'.
Example
The setae on the legs of spiders help them sense vibrations in their environment.
Synonyms
- Bristle
- Hair
Related Terms
- Sensory hairs
- Chaetae
- Microtrichia
Usage Notes
Setae can vary greatly in size, shape, and function depending on the species and their specific needs.