There are a series of cells that are distributed throughout the body that have shared the property of being able to phagocytose unwanted matter entering in the body. Those unwanted matter may include bacteria and dead cells. These cells also have important role in defence mechanisms for which they work in collaboration with lymphocytes to … Read more
Introduction They are an integral part of protoplasm and hence are present in every living cell. They account for 14% part of living and 75% part of dead and dried animal body. These are the major components of the body and more important for anabolism than for catabolism. These are compounds of C, H and … Read more
S.N Active immunity Passive immunity 1. Produced actively by the immune system of the host. Received passively by the host and the host immune system does not participate. 2. Induced by infection or by contacts with immunogens. Conferred by introduction of ready-made antibodies. 3. Immune response is durable and effective. Immune response is short … Read more
S.N Antigens Antibodies 1. Commonly called “antibodies generating chemicals” or immunogens. Commonly called immunoglobulins. 2. Both proteinous or polysachharides. Always proteinous in nature. 3. They are present on the cell membrane. They are present in the plasma. 4. These stimulate the immunity of the body. These protect the body from infections. 5. May be a … Read more