In 1990, scientists discovered relaxin's effect on the heart after injecting anaesthetised rats with relaxin from pigs. (newscientist.com)
One of the vets at our local practice is very wary of anaesthetising older cats and will avoid it if possible. (consciouscat.net)
After anaesthetising each bird he inserted a thin wire into the high vocal centre (HVC), an area of the brain involved in learning... (newscientist.com)