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assay can be used to look for the presence of i) specific antibody or ii) specific antigen in a patient's serum. The test utilizes sheep red blood cells (SRBC), anti-SRBC antibody and complement, along with specific antigen (if looking for ...
Hepatitis B Introduction Injury to liver cells caused by hepatitis B virus (HBV), a double-stranded DNA virus. It may appear as an asymptomatic, acute, chronic, or fulminant infection. Acute infection often marked by jaundice nausea and vom...
technique for detecting specific antigens or antibodies by using enzyme-labeled immunoreactants and a solid-phase binding support, such as a test tube. A number of different enzymes can be used, including carbonic anhydrase, glucose oxidase...
and the most potent antigen presenting cells (APCs) compared to B cells and monocytes with a unique ability to prime effective immune responses. They express higher levels of MHC class II and accessory molecules on their surface than other ...
Lymphocytes are cellular components of blood. They include the B-cells, T cells and natural killer cells and belong to the so-called "white blood" (leukocytes). In adults, lymphocytes are about 20 to 50 percent of leukocytes in peripheral ...
use the immune system is established only after the 3rd month, during the first three months of life, the fetus is unable to fend for their own means against possible infections that cross the placental barrier. At this stage, the fetus has...
T-cells are educated in the thymus, and the role of MHC in generating an anti-viral response Answer: Immature T cells in the bone marrow. Once they reach a certain level of development, leave the bone marrow and travel to the thymus where t...