track marks

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English[edit]

Noun[edit]

track marks pl (plural only)

  1. (medicine, pathology) The conspicuous signs of artery and vein damage as a result of chronic intravenous injection of drugs.
    When a patient has copious track marks demonstrating severe circulatory system damage, injections are done by drilling into the bone marrow and administering medicine intraosseously.
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