The phrase "biological samples" refers to any small parts or substances taken from living things, such as blood, cells, or tissue, that scientists use for studying and testing purposes. Full definition
Starting in 1946, the military launched a series of biological samples into space on V - 2 rockets. (science.howstuffworks.com)
I support research studies for genetic diseases in Australian Shepherds, submitting biological samples from dogs in my kennel or of my breeding when they are available and applicable for the study. (ashgi.org)
With her colleagues from around the world, she is designing techniques to better characterize complex molecules in biological samples, atmospheric aerosols, and biofuels, work critical for a secure energy future. (pnnl.gov)