people no longer vivisect animals--it's considered unethical.
Examples of vivisect
vivisect
We fairly vivisect Shakespeare and Milton and Virgil.
From the theatlantic.com
He disappeared into a locker room to prepare for scouts who will bisect, dissect and vivisect his every twitch.
From the dailyherald.com
His classmates tore off to Los Angeles for weekends, but LeMay in his singleminded fashion often hung back to vivisect engines and study weather charts and navigation.
From the time.com
The MNU scientists then decide to vivisect Wikus'organs because they are deemed to be worth billions for biotech research, but he overpowers his captors and escapes.
From the en.wikipedia.org
More examples
Cut (a body) open while still alive; "people no longer vivisect animals--it's considered unethical"
Vivisection (from Latin vivus ("alive") + sectio ("cutting")) is defined as surgery conducted for experimental purposes on a living organism, typically animals with a central nervous system, to view living internal structure. ...