Delayed hypersensitivity
From Health Encyclopedia
Contents |
[edit]
Used for
cell mediated hypersensitivity, tuberculin type hypersensitivity, type IV hypersensitivity
[edit]
Broader Terms
[edit]
Narrower Terms
[edit]
Related Terms
[edit]
Scope Note
increased reactivity to specific antigens mediated not by antibodies but by cells.
[edit]
Facts (generated by robot; please edit if you find it inaccurate)
- Another form of delayed hypersensitivity is contact dermatitis (poison ivy (figure 6), chemicals, heavy metals, etc.
- Delayed hypersensitivity is a major mechanism of defense against various intracellular pathogens, including mycobacteria, fungi, and certain parasites, and it occurs in transplant rejection and tumor immunity.
- Although delayed hypersensitivity is responsible for the reaction to poison ivy, here, for comparison, is a brief introduction to the other two mechansims of hypersensitivity.
- Delayed Hypersensitivity (Type IV) (def) Delayed hypersensitivity is cell-mediated rather than antibody-mediated.
- Delayed Hypersensitivity Delayed hypersensitivity is mediated by T cells, and symptoms usually take several hours or days to develop.
Would you like to discuss or post question about Delayed hypersensitivity ? Click here !