What is "vivisected"

Usage examples of "vivisected".

A dozen complete torsos had been messily vivisected, and from the few with heads attached and the expression on their faces, Silence had no doubt at all that these men and women had been alive and aware when the vivisection began.

Jagron cringed behind his green-tinted faceplate and turned away from the desiccated, vivisected corpse they had found in what appeared to be a medical laboratory.

After that, they would be placed on the tables and the viewscreen overhead would permit the Colonization Board on Slistia, as well as the Extermination Force Board, to learn the physical structure of the natives as Sesnar methodically vivisected them.

But I need another trained hand to help me con the ship, damaged and vivisected as she is.