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Biological specimens in an elementary school science lab. A biological specimen (also called a biospecimen) is a biological laboratory specimen held by a biorepository for research. Such a specimen would be taken by sampling so as to be representative of any other specimen taken from the source of the specimen. When biological specimens are ...
A laboratory specimen is sometimes a biological specimen of a medical patient's tissue, fluids, or other samples used for laboratory analysis to assist in differential diagnosis or staging of a disease process. These specimens are often the most reliable method of diagnosis, depending on the ailment.
A biorepository is a facility that collects, catalogs, and stores samples of biological material for laboratory research. Biorepositories collect and manage specimens from animals, plants, and other living organisms. Biorepositories store many different types of specimens, including samples of blood, urine, tissue, cells, DNA, RNA, and proteins ...
Laboratory specimen, a biological specimen taken by sampling; Zoological specimen, an animal or part of an animal preserved for scientific use; Herbarium, a collection of preserved plant specimens for scientific study; Type specimen (mineralogy), a reference sample by which a mineral is defined
The specimens stored by a biobank and made available to researchers are taken by sampling. Specimen types include blood, urine, skin cells, organ tissue, and other materials. Increasingly, methods for sampling tissue specimens are becoming more targeted, sometimes involving the use of MRI to determine which specific areas of tissue should be ...
An assay (analysis) is never an isolated process, as it must be accompanied with pre- and post-analytic procedures. Both the communication order (the request to perform an assay plus related information) and the handling of the specimen itself (the collecting, documenting, transporting, and processing done before beginning the assay) are pre-analytic steps.
Herb Baumeister’s macabre double life began to unravel in 1994 when his 13-year-old son found a human skull and a pile of bones in the woods of Fox Hollow Farm, his $1 million estate in ...
A stained histological specimen, sandwiched between a glass microscope slide.. Staining is a technique used to enhance contrast in samples, generally at the microscopic level.