Sensory Systems
Dorsal root ganglion neurons
Cutaneous mechanoreceptors
Muscle and joint receptors
Cold and warm receptors
Chemical, thermal, and
  mechanical nociceptors
Chemical nociceptor
Mechanoreceptor
Mechanoreceptor
Thermoreceptor
Chemoreceptor,
  themoreceptor, or
  mechanoreceptor
Chemoreceptor
Pressure
Displacement
Thermal
Chemical, thermal,
  or mechanical
Chemical
Somatic
  Touch
  Proprioception
  Temperature
  Pain
  Itch
Olfactory sensory neurons
Chemoreceptor
Chemical
Smell
Taste buds
Chemoreceptor
Chemical
Taste
Hair cells (vestibular labyrinth)
Mechanoreceptors
Gravity, 
  acceleration
Vestibular
Hair cells (cochlea)
Mechanoreceptor
Sound
Audition
Rods, cones
Photoreceptors
Light
Vision
Receptors
Receptor Class
Stimulus
Modality