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  2. Laboratory specimen - Wikipedia

    en.wikipedia.org/wiki/Laboratory_specimen

    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.

  3. Zoological specimen - Wikipedia

    en.wikipedia.org/wiki/Zoological_specimen

    Label accompanying a bird skin. Note that the locality, date, identity of the specimen and collection catalogue numbers are given on the securely attached label. Minimum data associated with zoological specimens is the place and date of collection, attached to the specimen by a label.

  4. Biological specimen - Wikipedia

    en.wikipedia.org/wiki/Biological_specimen

    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 ...

  5. Venipuncture - Wikipedia

    en.wikipedia.org/wiki/Venipuncture

    Sodium citrate is the anticoagulant used in specimens collected for coagulation tests. The majority of chemistry and immunology tests are performed on serum, which is produced by clotting and then separating the blood specimen via centrifuge. These specimens are collected in either a non-additive tube or one containing a clotting activator.

  6. Food sampling - Wikipedia

    en.wikipedia.org/wiki/Food_sampling

    Food sampling is a process used to check that a food is safe and that it does not contain harmful contaminants, or that it contains only permitted additives at acceptable levels, or that it contains the right levels of key ingredients and its label declarations are correct, or to know the levels of nutrients present.

  7. Gross processing - Wikipedia

    en.wikipedia.org/wiki/Gross_processing

    Gross examination of a kidney (right of image) with a renal oncocytoma (left of image).. Gross processing, "grossing" or "gross pathology" is the process by which pathology specimens undergo examination with the bare eye to obtain diagnostic information, as well as cutting and tissue sampling in order to prepare material for subsequent microscopic examination.

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