
The Thymus Gland
Its function has been poorly understood, largely because the gland atrophies after childhood. Now it appears that the thymus founds a line of cells that is responsible for the production of antibody

The Thymus Gland
Its function has been poorly understood, largely because the gland atrophies after childhood. Now it appears that the thymus founds a line of cells that is responsible for the production of antibody

The Mechanism of Immunity
How does an animal make an antibody that neutralizes a single foreign substance, or antigen? The evidence favors the theory that cells able to make the antibody are “selected” by the antigen and then multiply

The Structure of the Influenza Virus
A sequel to "The Influenza Virus," published in the April, 1953, issue of this magazine. Since that time the behavior of the virus has been increasingly related to its physical and chemical nature

How Antibodies are Made
How do cells manufacture the molecules that neutralize foreign substances? The answer is not known, but the author discusses an hypothesis that accounts for some curious new observations

The Influenza Virus
The organism which causes the disease that sweeps nations is curiously changeable. This makes it difficult to anticipate epidemics with vaccines, and suggests a future hazard to man