1.   Workers need to understand how quickly human tissue freezes, and the necessary precautions to prevent its occurrence.

2.   This method proved reliable and reproducible for the culture of gall bladder epithelial cells and should allow direct studies of the biological properties of these cells in human tissue.

3.   Alternatively, many animal models have been used to overcome the lack of availability of normal human tissue.

4.   Shooting anything that moved, collecting every piece of human tissue.

5.   Although at present there is insufficient evidence to extrapolate these findings to the human situation, the finding of chemically modified DNA in human tissues is clearly worrying.

6.   There is one other aspect to genetically engineering animals to create human compatible tissue and organs which gives cause for concern.

7.   All transmissions in these and other surgical procedures have apparently involved contamination of human tissues from or near the brain and central nervous system.

8.   Although laws in New York forbid the sale of human tissue, it is acceptable to compensate donors for their time and inconvenience, Linden said.

9.   And she said that the public was rightly upset by the commercialization of the human body, through patenting of genes and human tissues.

10.   As senior scientist for a biotechnology firm, Shih and his experiments on zebra fish offer clues about how human tissues grow.