Definition of infarction
plural infarctions
: injury or death of tissue (as of the heart or lungs) resulting from inadequate blood supply especially as a result of obstruction of the local circulation by a thrombus or embolus : the process of forming an infarct
- In myocardial infarction a coronary artery becomes obstructed and this leads to irreversible damage and necrosis of the heart tissue.
- —Nicholas C. Price et al.
- When dural sinuses are thrombosed, cortical and deep venous cerebral drainage is impaired, which can lead to infarction of the involved cerebral territories.
- —Douglas J. Quint
