from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The erection of hairs or papillae.
  • n. goose pimples / goose bumps.


from Wiktionary, Creative Commons Attribution/Share-Alike License

pilo- +‎ erection


  • What he's describing here is piloerection, which is a functional part of the fear response in other haired/furred animals, but vestigial in humans.

    Supernatural Superserious

  • Additional evidence for the occurrence of a seizure includes piloerection gooseflesh, pupillary dilatation, and tachycardia.

    The Neuropsychiatric Guide to Modern Everyday Psychiatry

  • "That's piloerection," a sign of emotional arousal, says Dr. Dana Hasselschwert, head of veterinary sciences at the

    NYT > Home Page

  • Goosebumps piloerection are the body's response to awe, apparently, a visceral response to the sense of self-expanding beyond our physical limits to merge with the larger collective.

    The Full Feed from

  • Yes, you can get those drones, although they won't have quite the depth that your 'cello does ... and as for piloerection (that "hair standing on its end" thing), yup.

    Mandolin Cafe News

  • His forceful upright walking and piloerection (hair on end) indicate his agitation.

    Scientific American

  • Some animals also enjoy other benefits of piloerection; for example, your barn cats might fluff up to make themselves look bigger and more intimidating to your barn dogs. News

  • One major factor in the hair's ability to serve in thermoregulation is the ability of a small muscle associated with every hair follicle under control of the nervous system to pull the hairs to a standing "puffed-up" position (piloerection). News

  • The physiological process of piloerection increases the insulating factor of the hair coat by increasing the air content within the hair coat and therefore the skin and the environment. News

  • TSH is released by the anterior pituitary causing: thyroxin release by the thyroid gland increases cellular metabolism and produces heat constricted blood vessels near the skin surface and piloerection (goose bumps) involuntary shivering voluntary action to seek warmth

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  • example : goosebumps

    September 9, 2010