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  1. PCR Test: What It Is, How It Works & Results - Cleveland Clinic

    Jan 16, 2025 · A PCR (polymerase chain reaction) test is a lab technique that amplifies (creates more copies) of genetic material (DNA). Healthcare providers can use PCR to test for …

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  2. PCR Tests: MedlinePlus Medical Test

    PCR (polymerase chain reaction) tests are a reliable and accurate way to diagnose certain infectious diseases, some types of cancer, and certain genetic changes.

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  3. Polymerase chain reaction - Wikipedia

    The polymerase chain reaction (PCR) is a laboratory method widely used to amplify copies of specific DNA sequences rapidly, to enable detailed study. PCR was invented in 1983 by …

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  4. What is a PCR test, and how does it work? - Medical News Today

    Jan 29, 2024 · A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or …

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  5. Polymerase chain reaction (PCR) | Definition, Steps, Applications ...

    Dec 31, 2025 · polymerase chain reaction (PCR), a technique used to make numerous copies of a specific segment of DNA quickly and accurately.

  6. Polymerase Chain Reaction (PCR) - National Human Genome

    2 days ago · Polymerase chain reaction (PCR) is a laboratory technique used to amplify DNA sequences.

  7. Polymerase Chain Reaction (PCR) Test - eMedicineHealth

    Polymerase chain reaction (PCR) is a chemical reaction harnessed to detect and identify trace bits of DNA, whether from a virus or bacteria to study the organism or diagnose an infection, or …

  8. How does a PCR test work, and what is its purpose?

    What is a PCR Test? PCR, which stands for Polymerase Chain Reaction, is a test used to detect specific genetic material in a sample. It works by amplifying small amounts of DNA or RNA, …

  9. Definition of PCR - NCI Dictionary of Cancer Terms

    A laboratory method used to make many copies of a specific piece of DNA from a sample that contains very tiny amounts of that DNA. PCR allows these pieces of DNA to be amplified so …

  10. What is a PCR test? - Aktif International Hospital

    PCR stands for Polymerase Chain Reaction. With this test, a very small sample can be taken from tissue, and the DNA and RNA present in very small amounts in this sample can be multiplied …