Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Relating to the goose flesh reflex.

from The Century Dictionary and Cyclopedia

  • Designating the muscles, and the nerves innervating them, which are attached to the hair-follicles: their contraction causes the condition called ‘goose-flesh.’

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

pilo- +‎ motor

Examples

  • The pilomotor fibers to the hairs and the motor fibers to the sweat glands apparently have a distribution similar to that of the vasoconstrictors of the skin.

    IX. Neurology. 7. The Sympathetic Nerves

  • Among other delights, there's a switch that retreats into its enclosure when your finger approaches, a switch that extrudes a stream of snotty goo when pressed (and retracts it when released), and (my personal favorite) a hairy switch with a pilomotor reflex that makes the hairs stand up when you try to touch it.

    MAKE Magazine

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