antigen

名词 antigen:

1. any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)

1. The attraction between an antigen and an antibody.
   化合力抗原和抗体之间的相互吸引
2. Relating to the correspondence between an antigen and the antibody produced in response to it.
   同源的与抗原和对其反应产生的抗体同的对应现象有关的
3. An antibody produced by or derived from the same species as the antigen with which it reacts.
   同种抗体; 同族抗体由与抗原相同的种类产生的或衍生的抗体，由它对该抗原作出反应
4. A protein substance produced in the blood or tissues in response to a specific antigen, such as a bacterium or a toxin. Antibodies destroy or weaken bacteria and neutralize organic poisons, thus forming the basis of immunity.
   抗体，免疫体血液或组织针对某种抗原如细菌或毒素而产生的蛋白质物质。抗体消灭细菌或削弱其作用，中和有机毒素，因而形成免疫力

an.ti.gen

n.（名词）
A substance that when introduced into the body stimulates the production of an antibody. Antigens include toxins, bacteria, foreign blood cells, and the cells of transplanted organs.
抗原：当被引入人体内可以促进抗体产生的物质。抗原包括毒素，细菌，异体血球和移植器官的细胞

【引伸】
an.tigen.ic
an.tigen.ically
adv.（副词）
an.tigenic.ity