Laboratory specimen

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Medical: A laboratory specimen is a sample of a medical patient's tissue, fluid, or other material derived from the patient used for laboratory analysis to assist differential diagnosis or staging of a disease process. Common examples include throat swabs, sputum, urine, blood, surgical drain fluids, tissue biopsies, etc.

Zoology: A laboratory specimen is a sample of a species which is preserved and made available to Zoology students in educational institutions. The purpose is to educate the student about the structure, general appearance, various organs, and details related to the specimen's body.