"Tissue samples" refers to small pieces of biological material from an organism, such as a cell or a small part of an organ, that are collected for analysis or examination in a laboratory. Full definition
The companies also plan to initiate a significant new program of genetic research based on the analysis of tissue samples from obese individuals. (decode.com)
Returning to the lab, he examined DNA in tissue samples taken from the children. (discovermagazine.com)
The grants will add data from analyses of tissue samples whose collection began in 2010, as well as expand the resource database and tissue bank. (genome.gov)