The scientists found the strongest evidence of AIDS in studies of tissue from the chimps that died.

VOA: special.2009.09.08

People with sickle cell disease can suffer severe pain, bacterial infections and the death of tissue.

VOA: special.2009.12.16

In the process, a small piece of tissue is taken from a high quality orchid.

VOA: special.2010.04.06

The deformed cells block blood vessels and cut off the flow of oxygen to tissue in the body.

VOA: special.2009.12.16

The tissue may contain evidence of the virus or bacteria that caused the person to die.

VOA: special.2010.06.29

She said they looked similar to tissue from human patients who had died of AIDS.

VOA: special.2009.09.08

The many areas of hardened or scar tissue give the disease its name.

VOA: special.2009.01.06

She says the chimpanzee tissue showed a severe loss of immune system cells.

VOA: special.2009.09.08

Some cause pain and the expansion,or swelling, of damaged tissue.

VOA: special.2009.10.20

Ruhli notes researchers used that technique to study the evolution of the tuberculosis bacteria from 2,000-year-old mummified tissue to modern-day strains.

VOA: standard.2010.05.05

Access to a Caesarean section to relieve the pressure of obstructed labor is the most common way of preventing an unborn child from pressing so tightly in the birth canal that it cuts off blood flow to surrounding tissue.

VOA: standard.2009.12.23