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A mysterious organ that’s most active in childhood might play a previously underappreciated role in adults. In a study of almost 2,300 adults who underwent chest surgery, removing the thymus gland was ...

The thymus gland is a critical component of the human immune system that is responsible for the development of T-lymphocytes, or T-cells, which help organize and lead the body's fighting forces ...

Scientists have mapped the thymus, a gland in the chest that makes disease-fighting white blood cells, across the human life span. This “cell atlas” could help researchers understand how thymus cells ...