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. 2019 Mar 11;212(1):25–51. doi: 10.1534/genetics.118.300241

Table 1. Primary sensory neurons mediating responses to physical stimuli in C. elegans hermaphrodites.

Neuron class (#) Physical stimuli senseda WormAtlas link
Anterior amphid sensilla
 AWC (2) Physiological temperature, noxious heat, electrical field http://wormatlas.org/neurons/Individual%20Neurons/AWCframeset.html
 AFD (2) Physiological temperature, noxious heat, magnetic field, humidity http://wormatlas.org/neurons/Individual%20Neurons/AFDframeset.html
 ASH (2) Harsh touch, electrical field, light http://wormatlas.org/neurons/Individual%20Neurons/ASHframeset.html
 ASI (2) Physiological temperature http://wormatlas.org/neurons/Individual%20Neurons/ASIframeset.html
 ASJ (2) Physiological temperature, electrical field, light http://wormatlas.org/neurons/Individual%20Neurons/ASJframeset.html
Anterior inner labial sensilla
 IL1 (6) Harsh touch http://wormatlas.org/neurons/Individual%20Neurons/IL1frameset.html
 IL2 (6) Harsh touch http://wormatlas.org/neurons/Individual%20Neurons/IL2frameset.html
Anterior outer labial sensilla
 OLQ (4) Harsh touch http://wormatlas.org/neurons/Individual%20Neurons/OLQframeset.html
Anterior deirid sensilla
 ADE (2) Harsh touch, texture http://wormatlas.org/neurons/Individual%20Neurons/ADEframeset.html
Anterior cephalic sensilla
 CEP (4) Harsh touch, texture http://wormatlas.org/neurons/Individual%20Neurons/CEPframeset.html
Anterior body (not associated with sensilla)
 ALM (2) Gentle touch http://wormatlas.org/neurons/Individual%20Neurons/ALMframeset.html
 AVM (1) Gentle touch http://wormatlas.org/neurons/Individual%20Neurons/AVMframeset.html
 AQR (1) Harsh touch http://wormatlas.org/neurons/Individual%20Neurons/AQRframeset.html
 BDU (2) Harsh touch http://wormatlas.org/neurons/Individual%20Neurons/BDUframeset.html
 FLP (2) Harsh touch, noxious heat, humidity http://wormatlas.org/neurons/Individual%20Neurons/FLPframeset.html
Posterior phasmid sensilla
 PHA (2) Harsh touch http://wormatlas.org/neurons/Individual%20Neurons/PHAframeset.html
 PHB (2) Harsh touch http://wormatlas.org/neurons/Individual%20Neurons/PHBframeset.html
Posterior deirid sensilla
 PDE (2) Harsh touch, texture http://wormatlas.org/neurons/Individual%20Neurons/PDEframeset.html
Posterior body (not associated with sensilla)
 PHC (2) Noxious heat http://wormatlas.org/neurons/Individual%20Neurons/PHCframeset.html
 PLM (2) Gentle touch http://wormatlas.org/neurons/Individual%20Neurons/PLMframeset.html
 PVM (1) Gentle touch http://wormatlas.org/neurons/Individual%20Neurons/PVMframeset.html
 PQR (1) Harsh touch http://wormatlas.org/neurons/Individual%20Neurons/PQRframeset.html
Innervation of both anterior and posterior body (not associated with sensilla)
 ALA (1) Harsh touch http://wormatlas.org/neurons/Individual%20Neurons/ALAframeset.html
 PVD (2) Harsh touch, noxious cold http://wormatlas.org/neurons/Individual%20Neurons/PVDframeset.html
a

Chemosensory properties of a subset of neurons in this Table are discussed in a forthcoming WormBook chapter.