Definition of thymus. : a glandular structure of largely lymphoid tissue that functions especially in cell-mediated immunity by being the site where T cells develop, is present in the young of most vertebrates typically in the upper anterior chest or at the base of the neck, and gradually decreases in size and activity after puberty. Thymus Gland Definition Diagram - Chart - diagrams and charts with labels. This diagram depicts Thymus Gland Definition and explains the details of Thymus Gland Definition.
Thymus Gland Definition
