Physiol. designating or of certain sensory nerves having limited sensibility, that respond to heat and pain from a general area
Origin of protopathicproto- + -pathic
Sensing pain, pressure, heat, or cold in a nonspecific manner, usually without localizing the stimulus. Used especially of certain sensory nerves.
Origin of protopathicFrom Medieval Greek prōtopathēs, affected first, from Greek prōtopathein, to feel first : prōto-, proto- + pathos, experience, feeling.