Reference Terms
from Wikipedia, the free encyclopedia


Anesthesia or anaesthesia (see spelling differences), has traditionally meant the process of blocking the perception of pain and other sensations.

This allows patients to undergo surgery and other procedures without the distress and pain they would otherwise experience.

Note:   The above text is excerpted from the Wikipedia article "Anesthesia", which has been released under the GNU Free Documentation License.
Related Stories

Science News
May 30, 2017

Latest Headlines
updated 12:56 pm ET