Here is a list of some bacteria which causes diseases in man. Also learn about its prevention and control. 1. Salmonella Typhosa: Rods, 0.6 to 0.7 by 2 μ, occurring singly, in pairs, and occasionally in short chains. Motile by means of peritrichous flagella; sometimes non-motile. Gram-negative. Disease Produced – The cause of typhoid fever in man. An acute infectious [...]
Two principal modes of cell death are now recognized, namely necrosis and apoptosis. Both may follow cell injury but the nature of the two types of death are quite different. Mode # 1. Cell Necrosis: The changes in cells undergoing necrosis are essentially a continuation of those described above, in cell injury. However, they are, of course, more profound and [...]
An immune response is a two-way assault on a pathogen – the cell mediated immune response and the humoral immune response. Cell Mediated Immune Response: Cell mediated immune response is carried out by the T-cells or T lymphocytes (Fig. 11). So, it is also called T-cell immunity. This type of immune response is to defend against pathogens that may invade [...]