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Glossary: thymus, Masonic Cancer Center, University of Minnesota

thymus

(THY-mus)

An organ that is part of the lymphatic system, in which T lymphocytes grow and multiply. The thymus is in the chest behind the breastbone.

Anatomy of the thymus gland; drawing shows the thymus gland in the upper chest under the breastbone. Also shown are the ribs, lungs, and heart.

Anatomy of the thymus gland. The thymus gland is a small organ that lies in the upper chest under the breastbone. It makes white blood cells, called lymphocytes, which protect the body against infections.

2012-05-24

Thymoma and Thymic Carcinoma