opsonin

Biological functions of complement

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Biological functions of complement

Complement shows various biological functions which are listed here below: 1. Immune adherence and opsonization This involves the covalent binding of complement proteins to the surface of microbial membranes. This opsonization or coating by complement proteins promotes adherence of the opsonized microbial components to the cell membranes of phagocytic cells. Phagocytic cells (macrophages, neutrophils) have … Read more

Immunodeficiency and its type

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Immunodeficiency and its type

Introduction Immunodeficiency diseases are condition where the defense mechanism of the body is impaired lading to repeated microbial infections of varying severity and sometimes enhanced susceptibility to malignancies. In this condition, the system fails to protect the host from disease causing agents or from malignant cells. Deficiency of defense mechanism may include:  Specific immune functions … Read more