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Definition of Thymus gland
1. Noun. A ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age.
Exact synonyms: Thymus
Generic synonyms: Ductless Gland, Endocrine, Endocrine Gland
Group relationships: Immune System, Cervix, Neck
Generic synonyms: Ductless Gland, Endocrine, Endocrine Gland
Group relationships: Immune System, Cervix, Neck
Medical Definition of Thymus gland
1. A bilaterally symmetric lymphoid organ situated in the anterior superior mediastinum. Each of its two lobes consists of an outer zone, the cortex, relatively rich in lymphocytes (thymocytes), and an inner zone, the medulla, relatively rich in epithelial cells. The thymus is the site of the production of T-lymphocytes. The thymus reaches its maximal development at about puberty and then undergoes a gradual process of involution resulting in a slow decline of immune function throughout adulthood. (12 Dec 1998)
Lexicographical Neighbors of Thymus Gland
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