Hypersensitivity towards any foreign material or particle is known as

 ‘Pathogens’ were discovered by

 ‘First line of defence’ is known as

 ‘Second line of defence’ is known as

Period from the entrance of pathogens into the body and their multiplication to show initial symptoms of disease is known as

After infection by pathogens dead cells, dead pathogens and liquid form the

‘Pathogens’ are also known as

Immune activities defence mechanism for different diseases is known as

‘Vaccination’ was invented by

The function of vaccine is the production and storage of

After vaccination, the dose given for the immunization is known as

Agents which produce allergy is known as

Uncontrolled and undifferentiated mass of cells is known as

The toxic substances produced by the foreign bodies are known as

Lymphocytes secrete a protein which causes the dilation of blood vessels. The protein is

Lacking of B-cells and T-cells is known as

B-cells are lymphocytes which produce the humoral immunity. These cells are produced by

T-cells are lymphocytes which produce the cellular immunity. These are developed from

The cells which suppress the entire immune system from its attack in the same body are known as

The binding of antibodies to the antigens to produce a large insoluble complex is known as

The immune system which works against self is

The immunity obtained after the body has recovered from a disease is

AIDS is caused by [BHU 1986;

When an organ is transplanted and is rejected by the body, the lymphocytes are produced by

Passive immunity can be obtained by injecting