watershed infarction

noun

Definition of watershed infarction

1 or watershed infarct, medical : a localized area of ischemic tissue death in an area of the brain situated at the farthest point of blood supply from two separate cerebral arterial systems that is caused by inadequate blood flow (as from low blood pressure, vasculitis, or blood clot obstruction)
2 or watershed stroke, medical : a stroke resulting from such ischemic tissue death

First Known Use of watershed infarction

1972, in the meaning defined at sense 1

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The first known use of watershed infarction was in 1972

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Cite this Entry

“Watershed infarction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watershed%20infarction. Accessed 25 Feb. 2021.

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More Definitions for watershed infarction

watershed infarction

noun
wa·​ter·​shed infarction | \ ˈwȯ-tər-ˌshed- How to pronounce watershed infarction (audio) , ˈwä- \

Medical Definition of watershed infarction

1 or watershed infarct : a localized area of ischemic tissue death in an area of the brain situated at the farthest point of blood supply from two separate cerebral arterial systems that is caused by inadequate blood flow (as from low blood pressure, vasculitis, or blood clot obstruction)
2 or watershed stroke : a stroke resulting from such ischemic tissue death

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