1.   He used a tissue to clean his fingerprints off the gun.

2.   The remaining tissue was used to prepare liver cell plasma membranes.

3.   And in yet another approach, researchers are seeking FDA approval to test fetal pig implants, hoping to duck congressional critics of using tissue from human fetuses.

4.   And researchers believe they can manipulate stem cells to grow into different types of tissue, and use the tissue to treat various diseases and injuries.

5.   As with vaccines, the FDA has urged supplement makers not to use cow tissue from certain countries.

6.   But even as he extended this symbolic political olive branch, Bush made clear his continuing opposition not only to abortion but to research using tissue from aborted fetuses.

7.   Consumers who opt for reconstructive surgeries using such tissues, which are becoming more common, should be aware of the risks, the researchers said.

8.   Douglas Johnson, legislative director of the National Right to Life Committee, calls research that uses tissue from aborted fetuses exploitation of human victims.

9.   If cancerous tissue was used, neurons might divide aberrantly in the laboratory because of the very nature of cancer.

10.   In giving consent, families can specify that no tissue be used for research.