Harvest of white blood cells. (new means of collecting white blood cells from animals for research)

From: Science News | Date: February 8, 1986 | Copyright information

Harvest of white blood cells

Although white blood cells are critical to the body's defense against disease, they are normally present only at low levels. Scientists who study the role of these cells in immunity must kill animals, or repeatedly draw blood from them, to obtain material for the research. Now a U.S. Department of Agriculture (USDA) researcher has developed a hollow sphere that can be implanted under the skin to collect white blood cells continuously for weeks without harming the animal.

The new collector is a plastic sphere with membrane-covered holes and ...

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