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What r natural killer cells?
1 doctor weighed in

Dr. Joseph Woods
Pathology
In brief: Cells that kill.
These are cells of the immune system that kill other cells that represent a danger to the body, like virally infected cellls and cancer cells.
They have a natural ability to recognize stressed cells and can kill these without need of antibody or major histocompatability complex alteration to prime them, hence their name. Thus, they can present a much faster response than other immune cells.

In brief: Cells that kill.
These are cells of the immune system that kill other cells that represent a danger to the body, like virally infected cellls and cancer cells.
They have a natural ability to recognize stressed cells and can kill these without need of antibody or major histocompatability complex alteration to prime them, hence their name. Thus, they can present a much faster response than other immune cells.
Dr. Joseph Woods
Dr. Joseph Woods
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