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lycopene

A linear, unsaturated hydrocarbon carotenoid, the major red pigment in fruits such as tomatoes, pink grapefruit, apricots, red oranges, watermelon, rosehips, … [Read more...]

lymph

The clear fluid that travels through the lymphatic system and carries cells that help fight infections and other diseases. Also called lymphatic fluid. … [Read more...]

lymph gland

A rounded mass of lymphatic tissue that is surrounded by a capsule of connective tissue. Lymph glands filter lymph (lymphatic fluid), and they store lymphocytes … [Read more...]

lymph node

A rounded mass of lymphatic tissue that is surrounded by a capsule of connective tissue. Lymph nodes filter lymph (lymphatic fluid), and they store lymphocytes … [Read more...]

lymph node dissection

A surgical procedure in which the lymph nodes are removed and a sample of tissue is checked under a microscope for signs of cancer. For a regional lymph node … [Read more...]

lymph node drainage

The flow of lymph from an area of tissue into a particular lymph node. … [Read more...]

lymph node mapping

The use of dyes and radioactive substances to identify lymph nodes that may contain tumor cells. Also called lymphatic mapping. … [Read more...]

lymph vessel

A thin tube that carries lymph (lymphatic fluid) and white blood cells through the lymphatic system. Also called lymphatic vessel. … [Read more...]

lymphadenectomy

A surgical procedure in which the lymph nodes are removed and a sample of tissue is checked under a microscope for signs of cancer. For a regional … [Read more...]

lymphadenopathy

Disease or swelling of the lymph nodes. … [Read more...]