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What are the two groups of defense mechanisms of the body against foreign or harmful agents? What is the difference between them?
The body has many defense mechanisms against foreign pathogenic agents. These mechanisms are separated into two groups: the exact mechanisms and the unspecific mechanisms. The exact mechanisms are part of the immune system and comprehend the humoral immune response and the cellular immune response that respectively make antibodies and defense cells against exact antigens. The unspecific mechanisms fight in a general manner any type of antigen (they do not have specificity) and in them a series of defense means are contained, like the skin barrier against foreign agents, the mucous and ciliated epithelium of the airway, inflammation (the inflammatory response) and the action of unspecific proteins and defense cells (e.g., macrophages and interferons).
EXTERNA L EAR - It is an oval shaped, some what funnel like, skin covered flap of elastic cartilage and muscles. It's outer stiff ridge is called hellix. Lower flexibl
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Radial Artery (RA) : Patency of RA is less than that of Ih4.A but much superior to a venous graft. One of the studies showed 90 per cent patency at 13 months and 83
GENERAL PREVENTIVE MEASURES - 1. Infected animal should be immediately isolated and looked after. 2. The premises should be disinfected whenever there is an outbre
what is a scientific name of mango?
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Q. Enumerate various factors controlling osseointegration? The factors controlling osseointegration are: i) Occlusal load ii) Biocompatibility of the material iii) Imp
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