chapter10 disease and immunity word quiz

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defence against a pathogen by antibody production in the body, gained after an infection by a pathogen, or by vaccination

a disease in which the pathogen can be passed from one host to another

Chemical that stimulates lymphocytes to produce antibodies, have specific shapes, so specific antibodies which fit the specific shapes of the antigens are needed

short-term defence against a pathogen by antibodies acquired from another individual, e.g. mother to infant. Memory cells are not produced.

A disease causing organism

a disease in which the immune system attacks the organism's own cells

Gives active immunity against a disease to large population and protect those who cannot get vaccines by decreasing the chances of coming into contact with the disease

mucus and stomach acid

a long-lived lymphocyte can respond to a particular antigen on its reintroduction