3 meanings of LRU acronym and LRU abbreviation in Aviation. Get the definition of LRU in Aviation by All Acronyms dictionary. Top Definition: Line Replaceable Unit In Aviation.
â¢ Humoral immunity is mediated by B-cells while cell-mediated immunity is mediated by T-cells. â¢ In the humoral immunity, the B-cells secrete antibodies whereas in the cell-mediated immunity, the T-cells do not secrete receptors. T-cell receptors are bound to the T-cells and the cells themselves bind with antigens. The antibodies are used in the humoral immunity whereas the receptors are used in the cell-mediated immunity to defend against pathogens. â¢ Unlike in the cell-mediated immunity, the antigens are destroyed by B-cell antibodies outside the B-cells in the humoral immunity. Related posts:
The immune system uses a different approach to deal with these kinds of pathogens. Cell-mediated responses are the primary defense against intracellular pathogens and the approach is different depending upon where the pathogen resides in the host cell (i.e., in the cytosol or within vesicles).elf/non-self discrimination is one of the hallmarks of the immune system. There are two mains sites where pathogens may reside: extracellularly in tissue spaces or intracellularly within a host cell, and the immune system has different ways of dealing with pathogens at these sites.