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
"Experts say 98 million Americans who took polio shots in the 1950's and 1960's may get a deadly brain cancer from the inoculations. Researchers at the University of Chicago medical center say that a virus contaminated the polio vaccine and they have now found genetic material from the virus in a number of brain cancer victims..."
Article in Weekly World News (U.S.A.) May 28, 1985
"Ask the experimenters why they experiment on animals, and the answer is: "Because the animals are like us." Ask the experimenters why it is morally okay to experiment on animals, and the answer is: " Because the animals are not like us." Animal experimentation rests on a logical contradiction."