A watershed stroke or watershed infarct is defined as a brain ischemia that is localized to the vulnerable border zones between the tissues supplied by the anterior, posterior and middle cerebral arteries.. A ridge of high land dividing two areas that are drained by different river systems. on one side of a watershed, rivers and streams flow in one direction; on the other side they flow in another direction. also, the area drained by a water system.. Size of a stream's watershed (drainage basin).
Watershed zone infarct in an isolated area is more likely to be secondary to microembolism, particularly in the absence of significant systemic hypotension and/or arterial stenosis. in a severe carotid stenosis, lesions are usually ipsilateral to the stenosis.. Hydrologically, watershed is an area from which the runo/ @ows to a common point on the drainage system. every stream, tributary, or river has an associated watershed, and small watersheds aggregate together to become larger watersheds. water travels from headwater to the downward location and meets with similar. A shed that holds water? nope. everyone in the world lives in a watershed. watch this short video to learn what a watershed really is..
