Sensilla chaetica

Definition

Thick-walled bristles or spines innervated by one or more neurons, typically set in a socket. They are typically mechano- or contact chemosensitive.

Etymology

From Greek 'chaeta' meaning 'bristle'.

Example

Sensilla chaetica on the antennae of a fly are used to detect tactile stimuli.

Related Terms

• Bristles
• Spines
• Mechanosensation
• Contact chemoreception

Usage Notes

Sensilla chaetica are often found on the legs and antennae of insects.