2014 Somatosensation

Receptors

STIMULUS
RECEPTOR
LOCATION
RECEPTIVE FIELD
(small = well localized)
ADAPTATION
Mechanoreception        
Touch,
pressure
Free nerve ending
Hair root
Small
Variable
Steady pressure, texture
Merkel receptor
Superficial
Slow
Flutter, stroking
Meissner corpuscle
Rapid
Vibration
Pacinian corpuscle
Deep
Large
Extremely rapid
Stretch
Ruffini ending
Slow
Thermoreception        
Cold
Free nerve ending
Superficial
Small
Rapid
Warm
Nociception        
Thermal
Free nerve ending
Superficial
Small
Rapid
Mechanical
Large
Slow
Polymodal (esp. chemical)
Large
Slow
Skin receptors
 
Email: Dr. Janet Fitzakerley | ©2014 University of Minnesota Medical School Duluth | Last modified: 5-feb-14 10:04 PM