They are of two kinds (1) simple tubular glands resembling those of the pyloric end of the stomach, but with short ducts.

Venom emitted from some types of cobras, almost all vipers, some Australian elapids and some sea snakes causes necrosis of muscle tissue.

If the third phase is survived, the hepatic necrosis runs its course, and liver and kidney function typically return to normal in a few weeks.

If acetylcysteine is started more than 8 hours after ingestion, there is a sharp decline in its effectiveness because the cascade of toxic events in the liver has already begun, and the risk of acute hepatic necrosis and death increases dramatically.

Following the release of the first consumer 4 channel hi fi systems, a number of popular albums were released in one of the competing four channel formats among the best known are Mike Oldfield's Tubular Bells and Pink Floyd's The Dark Side of the Moon .

She translates for a volunteer paramedic as he examines the painful feet of Karim, a Hazara school teacher and diabetes sufferer who has been walking for weeks with his family. He has deep tissue necrosis in both feet and will, it seems, have to undergo a double amputation.