Vivisection, viv'i-sek'shan, n. [< L. vivus, alive, and sectio, sectionis, a cutting.]
The dissection of, or otherwise experimenting on, a living animal, esp. for the purpose of ascertaining or demonstrating some
fact in physiology or pathology. -Websters Dictionary
"I have always felt that the cause of science cannot possibly be served by cruelty to animals, and especially by the barbarous practice of vivisection."
Robert Howell Perks, MD, FRCS, LRCP (1854-1929)
"Once one accepts that there is something essentially different between a dog chasing after a stick and a stone plummeting to earth, then one will have a hard time in morally justifying for example, why a healthy dog is given lung cancer with tobacco smoke in order to prove something to a suicidal human who smokes forty cigarettes a day."