Define antigen.

Define radicle.

Distinguish exogenous and endogenous antigens.

Surface antigens of RBCs are called..........

What is referred to as the "immunogenic D antigen? Why it is called so? What is the disorder caused due to the incompatibility of this antigen in new borns?

Name the discoverers of antigen A, B and AB.

Who discovered antigens on the surface of RBC?

ELISA can detect antigens in the range of a……………...

Assertin : When a cell undergoes malignant transformation, it acquires new surface antigen and may also loose some normal antigens. Reason : Those antigens are present on the membranes of malignant cells.

List out the different types of antigen antibody reactions.