that produces images of your organs and tissues. But it works differently. In a PET scan, you’re injected with a safe radioactive chemical called a radiotracer. After the radiotracer has had a chance to get into your bloodstream, cells, and tissues, you’ll lie on a moving table,...
During the first half of the present century we had an Alexander von Humboldt, who was able to scan the scientific knowledge of his time in its details, and to bring it within one vast generalization. At the present juncture, it is obviously very doubtful whether this task could be ...
For instance, the scientific article may say, “The radioactive phosphorus content of the cerebrum of the rat decreases to one-half in a period of two weeks.” Now what does that mean? It means that phosphorus that is in the brain of a rat—and also in mine, and yours—is not the ...
that produces images of your organs and tissues. But it works differently. In a PET scan, you’re injected with a safe radioactive chemical called a radiotracer. After the radiotracer has had a chance to get into your bloodstream, cells, and tissues, you’ll lie on a moving table,...