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Results 1 - 3 of 3 for Antigen
  1. Vaccines Video 
    ... inject fragments of a virus or bacteria called antigens into the body. Once in the blood, these antigens circulate among the blood cells, which include red ...
    https://medlineplus.gov/ency/anatomyvideos/000137.htm -
  2. Ultrasound -- Prostate Video (American College of Radiology) (Radiological Society of North America)  
    ... is taken for microscopic examination. A prostate-specific antigen (PSA) test, which measures the amount of PSA ...
    https://www.radiologyinfo.org/en/info/us-prostate - Videos
  3. Allergies Video 
    ... like pollen, are nothing more than foreign plant antigens. When they get released into the air, you ...
    https://medlineplus.gov/ency/anatomyvideos/000002.htm -