protopathic
adjective
pro·to·path·ic ˌprō-tə-ˈpa-thik 
: of, relating to, or being cutaneous sensory reception responsive only to strong rather crude stimuli
Word History
Etymology
International Scientific Vocabulary, from Middle Greek prōtopathēs affected first, from Greek prōt- prot- + pathos experience, suffering — more at pathos
First Known Use
1905, in the meaning defined above
Medical Definition
protopathic
adjective
pro·to·path·ic ˌprōt-ə-ˈpath-ik
: of, relating to, being, or mediating cutaneous sensory reception that is responsive only to rather gross stimuli compare epicritic