axillary node

noun

Meaning

A small, bean-shaped gland located in the underarm that filters lymph fluid and helps the immune system fight infections.

Examples

  • The surgeon removed a suspicious axillary node for biopsy to check for the spread of cancer.
  • An enlarged axillary node can sometimes be a sign of a localized infection in the arm or chest.

Synonyms: underarm lymph node, axillary lymph node