1 Some virulent bacteria produce special proteins that allow them to colonize parts of the host body. 2  Helicobacter pylori is able to survive in the acidic environment of the human stomach by producing the enzyme urease.
rfid-Computer Definition. (R adio F requency ID entification) A data collection technology that uses electronic tags for storing data. The tag, also known as an electronic label, transponder or code plate, is made up of an RFID chip attached to an antenna.
Rheumatoid factor (RF) is an autoantibody, an immunoglobulin M (IgM) protein that is produced by the body's immune system. While the biologic role of RF is not well understood, its presence is useful as an indicator of inflammatory and autoimmune activity. This test detects and measures RF in the blood.