• (vessel, lymphatic) A thin-walled tubular structure through which the lymph circulates in the body.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• A thin tube that carries lymph (lymphatic fluid) and white blood cells through the lymphatic system.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• A tubule that carries lymph throughout the body.
  NCI
  U.S. National Cancer Institute, 2021
• Organ component of lymphatic tree organ, each instance of which is a tubular segment of some lymphatic chain that collects lymph from some tissue and through some series of vessels and lymph nodes passes the lymph into some bloodstream.
  Foundational Model of Anatomy
  University of Washington, 2017
• Subdivision of the lymphatic tree (organ) that is elongated and tubular, the lumen of which is continuous with the lumen of veins, directly or indirectly; it conveys lymph from organs and body parts to lymph nodes and veins; together with other lymphatic vessels and lymph nodes, it constitutes the lymphatic tree (organ). Examples: bronchomediastinal lymph duct, thoracic duct.
  Digital Anatomist
  University of Washington, 2003
• Tubular vessels that are involved in the transport of LYMPH and LYMPHOCYTES.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• (set of lymphatic vessels) Set of organ components of lymphatic tree organ consisting of lymphatic vessels without intervening lymph nodes.
  Foundational Model of Anatomy
  University of Washington, 2017