from The Century Dictionary.

  • noun A pathological condition in which slow, wave-like contractions pass from one end to the other of a muscle without locomotor effect.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun medicine An involuntary spontaneous quivering of part of a muscle, insufficient to move a joint.


Sorry, no etymologies found.


  • This is one of the systemic reactions to the venom, called myokymia or fasciculations.

    The Santa Barbara Independent stories

  • The more general systemic effects of a rattlesnake bite may manifest as nausea or vomiting, diarrhea, myokymia/fasciculation (the muscle ripple effect), perioral numbness (tissues around the mouth and the Novocain-like response), and a metallic taste.

    The Santa Barbara Independent stories

  • She advised patients with eyelid myokymia to relax, get adequate sleep and cut down on caffeine and alcohol.



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  • No, you're not going crazy. Your eyelid really *does* twitch when you're tired.

    February 2, 2007