Definition of protopathic in English:

protopathic

Line breaks: proto|path¦ic
Pronunciation: /ˌprəʊtə(ʊ)ˈpaθɪk
 
/

adjective

Physiology
Relating to or denoting those sensory nerve fibres of the skin which are capable of discriminating only between relatively coarse stimuli, chiefly heat, cold, and pain. Often contrasted with epicritic.
More example sentences
  • An alternate explanation for the finding is protopathic bias, which can arise in situations where medications are used to treat acute symptoms.

Origin

mid 19th century: from proto- 'primitive' + Greek pathos 'suffering, feeling' + -ic.

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