Definition

1. Noun:
   • A ductless glandular organ at the base of the neck: The thymus is a primary lymphoid organ located in the upper chest, behind the breastbone. It is crucial for the development and maturation of T-lymphocytes (T cells), which are essential for adaptive immunity.
   • A large genus of Old World mints: In botanical taxonomy, Thymus is the genus name for a group of aromatic perennial herbs, commonly known as thyme.

Usage Examples

• Noun (Anatomy):
  • The thymus is most active during childhood and adolescence.
  • Doctors examined the size and function of her thymus.
• Noun (Botany):
  • Thymus vulgaris is the common thyme used in cooking.
  • Several species within the genus Thymus are cultivated for their essential oils.

Advanced Usage

• "Thymus-dependent": Refers to immune responses or lymphocytes that require the thymus for their development.
  • T cells are thymus-dependent lymphocytes.
• "Thymic" (adjective): Pertaining to the thymus gland.
  • The patient had a thymic disorder.

Variants and Related Words

• Thymocyte (n): An immature lymphocyte that develops in the thymus.
• Thymectomy (n): The surgical removal of the thymus.
• Thyme (n): The common name for plants of the genus , used as a culinary and medicinal herb.

Synonyms

• Thymus gland (for the anatomical organ).
• None (for the botanical genus, as it is a proper scientific name).

Related Phrases

• "Thymus-derived lymphocyte": Another term for a T cell.
  • The body's defense relies on thymus-derived lymphocytes.

Noun

1. a ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age
2. large genus of Old World mints: thyme