Chills or rigor is a shaking occurring during a high fever. It occurs because cytokines and prostaglandins are released as part of an immune response and increase the set point for body temperature in the hypothalamus.
"Rigor" is sometimes considered a synonym for "chills".
Read more about Chills: Physiology, Causes
Famous quotes containing the word chills:
“I’ve met a lot of murderers in my day, but Dr. Garth, whatever he is, is the first man I’ve ever met who was polite to me and still made the chills run up and down my back.”
—Robert D. Andrews, and Nick Grindé. Police detective, Before I Hang, describing his meeting with Dr. Garth (1940)
“I’ve met a lot of murderers in my day, but Dr. Garth, whatever he is, is the first man I’ve ever met who was polite to me and still made the chills run up and down my back.”
—Robert D. Andrews. Nick Grindé. Police detective, Before I Hang, describing his meeting with Dr. Garth (1940)
“Cowardice shuts the eyes till the sky is not larger than a calf-skin: shuts the eyes so that we cannot see the horse that is running away with us; worse, shuts the eyes of the mind and chills the heart.”
—Ralph Waldo Emerson (1803–1882)