lymph node

noun

1. any of the glandlike masses of tissue in the lymphatic vessels containing cells that become lymphocytes.

lymph node

noun

1. any of numerous bean-shaped masses of tissue, situated along the course of lymphatic vessels, that help to protect against infection by killing bacteria and neutralizing toxins and are the source of lymphocytes

lymph node

1. A bean-shaped mass of tissue found at intervals along the vessels of the lymphatic system. Lymph nodes filter foreign substances from the blood.

Word History and Origins

Origin of lymph node¹

First recorded in 1890–95

Example Sentences

By March 2015, doctors discovered “invasive breast cancer metastatic to at least one lymph node,” which she said had the chance to spread while she was unable to visit a doctor due to the insurance lapse.

From Los Angeles Times

Johns Hopkins Medicine scientists say they have developed an artificial lymph node with the potential to treat cancer, according to a new study in mice and human cells.

From Science Daily

The newly developed lymph node -- a sac filled with immune system components -- is implanted under the skin, and is designed to act like a learning hub and stimulator to teach immune system T-cells to recognize and kill cancer cells.

From Science Daily

"Because cancers can trick T-cells into staying dormant, the artificial lymph node was designed to inform and activate T-cells that are injected alongside the lymph node."

From Science Daily

To create the artificial lymph node, the scientists used hyaluronic acid, a moisturizing substance commonly used in cosmetics and lotions and found naturally in the body's skin and joints.

From Science Daily