Dissection d'animaux vivants ou, du moins, expérimentation sur des animaux vivants.
ETYM Latin vivus alive + Eng. section: cf. French vivisection. Related to Vivid, and Section.
Literally, cutting into a living animal. Used originally to mean experimental surgery or dissection practiced on a live subject, the term is often used by antivivisection campaigners to include any experiment on animals, surgical or otherwise.
Operating on living animals especially in scientific research.