Immunity (in bengali)।।অনাক্রম্যতা।।

here i have discussed what is immunity? Types of immunity Innate immunity: the immunity which is present in an individual from its birth. Acquired immunity or adaptive immunity: the immunity which is acquired by an individual after birth This is two types :- Natural : naturally acquired immunity, when one infected with chicken pox and have got immunity. Artificial: this is acquire artificially as vaccin. Again immunity is divided into 1) cell mediated immunity :- where T cell (Tc and Th) Directly interacted with alterd self cell. 2) humoral immunity:- where B cell (B lymphocyte) Produce antibody and antigens are nutrilized. In innate immunity 1)temperature 2)skin &mucous gland 3)acids Hcl and other 4) antibody 5)other components (properdine) 6) amebocyt, histeocyte, kupffer cell are respond to foreign disease causing agent. Discussed vaccination. Plasma cell, memory B cell, cytotoxic T cell and memory Tell. Here also mentioned NK cell, macrophage cell, and RE system. This is an approach of SAM Innovation.

Category