External sense organs

These typically consist of a specialised external structure, such as a bristle, innervated by one or a few neurons.

They function as:


 
 

Sensory bristles on the rear thorax, dissected and stained to reveal the underlying sensory neurons.
 
 
 
 


 

High power view of dome-shaped sensilla campaniformia ó cuticular stress receptors (scanning electron micrograph)
 
 
 
 
 
 
 

(Click on images for larger view)
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