mad cow disease was first discovered in Great Britain in 1986.
A case of mad cow disease was discovered yesterday in California, sending carnivores across the country into a panic.
mad cow disease is far less common than it was 10 years ago.
Cases of mad cow disease in humans or in cows are exceedingly rare in the U.S.
mad cow disease n.
See bovine spongiform encephalopathy.
|mad cow disease|
A degenerative neurologic disease of cattle, thought to be caused by infection-causing agents called prions, in which brain tissues deteriorate and take on a spongy appearance, resulting in abnormal behaviors and loss of muscle control. A variant form of Creutzfeldt-Jakob disease is transmitted to humans through the eating of infected cattle tissue. Also called bovine spongiform encephalopathy.