Adaptive Immunity

Cells of the Immune System

Cells of the Immune System

Immune system consists of many different cells, some of which acts as a part of innate immunity while lymphocytes are major players.

Innate Immunity vs. Acquired Immunity

Innate Immunity vs. Acquired Immunity

Innate Immunity is present right from the birth but acquired or adaptive immunity is acquired during the course of life.

Primary vs. Secondary Immune Response

Primary vs. Secondary Immune Response

Primary immune response to Ag occurs on the first occasion. Subsequent encounter of B and T cells with same Ag leads to secondary response.

MHC Class I vs. MHC Class II Protein

MHC Class I vs. MHC Class II Protein

MHC molecules bind peptide fragments derived from pathogens and display them on the cell surface for recognition by the appropriate T cells.

Complement Pathways: Types, Functions, Regulation

Complement Pathways: Types, Functions, Regulation

Complement system is a part of the innate immune system