Definition of Thymus

1. Noun. Large genus of Old World mints: thyme.

Exact synonyms: Genus Thymus
Generic synonyms: Asterid Dicot Genus
Group relationships: Family Labiatae, Family Lamiaceae, Labiatae, Lamiaceae, Mint Family
Member holonyms: Thyme

2. 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 Gland
Generic synonyms: Ductless Gland, Endocrine, Endocrine Gland
Group relationships: Immune System, Cervix, Neck

Definition of Thymus

1. a. Of, pertaining to, or designating, the thymus gland.

Definition of Thymus

1. Noun. (anatomy immunology) A ductless gland, consisting mainly of lymphatic tissue, located behind the top of the breastbone. It is most active during puberty, after which it shrinks in size. It plays an important role in the development of the immune system and produces lymphocytes. ¹

¹ Source:

Definition of Thymus

1. a glandular structure in the body [n -MI or -MUSES]

Medical Definition of Thymus

1. The lymphoid organ in which T lymphocytes are educated, mature and multiply. It is composed of stroma (thymic epithelium) and lymphocytes, almost entirely of the T-cell lineage. In mammals the thymus is just anterior to the heart within the rib cage, in other vertebrates in rather undefined regions of the neck or within the gill chamber in teleost fish. The thymus regresses as the animal matures. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Thymus Pictures

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Lexicographical Neighbors of Thymus

thymosin 4
thymotic acid
thymotic acids
thymus (current term)
thymus-dependent zone
thymus-independent antigen
thymus derived lymphocyte
thymus extracts
thymus gland
thymus hormones
thymus hyperplasia
thymus treatment

Literary usage of Thymus

Below you will find example usage of this term as found in modern and/or classical literature:

1. Monographic Medicine by William Robie Patten Emerson, Guido Guerrini, William Brown, Wendell Christopher Phillips, John Whitridge Williams, John Appleton Swett, Hans Günther, Mario Mariotti, Hugh Grant Rowell (1916)
"A review of the advance in the knowledge of the thymus gland. ... Congenital defect of the thymus has been reported (von Sury), but the condition can ..."

2. Medical lexicon by Robley Dunglison (1860)
"Lemon, see thymus serpyllum —t. Mother of, thymus serpyllum — t. ... A compound of thyme, vinegar and salt. thymus, Si/lias ..."

3. Elements of the Comparative Anatomy of Vertebrates by Gustav Mann, Walther Löb, Henry William Frederic Lorenz, Robert Wiedersheim, William Newton Parker, Thomas Jeffery Parker, Harry Clary Jones, Sunao Tawara, Leverett White Brownell, Max Julius Louis Le Blanc, Willis Rodney Whitney, John Wesley Brown, Wi (1906)
"called adenylic acid, but it is possible to prepare from the thymus all the four purin and also all the three simple pyrimidin derivatives. ..."

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