Medical Dictionary

piloerection

noun pi·lo·erec·tion \ˌpī-lō-i-ˈrek-shən\

Medical Definition of PILOERECTION

:  involuntary erection or bristling of hairs due to a sympathetic reflex usually triggered by cold, shock, or fright or due to a sympathomimetic agent

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July 04, 2015
stringent Hear it
rigorous, strict, or severe
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