This brain damage brought on by a lack of adequate blood supply produces a stroke.
Large-vessel strokeoccurs in the larger blood-supplying arteries of the brain, such as the carotid artery ormiddle cerebral artery.
Small-vessel strokeoccurs when blood flow is blocked to a small and deep penetrating arterial blood vessel.

BSIP / UIG / Getty Images
This punch in of stroke is also known as a lacunar stroke or a subcortical stroke.
A small-vessel thrombus can also result in abrainstem stroke.
Small-vessel strokes are literally small in size, affecting only a limited area of the brain.
A Word From Verywell
A thrombotic stroke is among the most common causes of stroke.
American Stroke Association.Ischemic stroke.
Tsai HH, Kim JS, Jouvent E, Gurol ME.Updates on prevention of hemorrhagic and lacunar strokes.J Stroke.
2018;20(2):167-179. doi:10.5853/jos.2018.00787
American Stroke Association.Types of stroke.
American Stroke Association.Atherosclerosis and stroke.
2019;98(12):e14872.
doi:10.1097/MD.0000000000014872
Centers for Disease Control and Prevention.About stroke.
2014 May;45(5):1545-88. doi: 10.1161/01.str.0000442009.06663.48.
2018 Mar;162(1):10-17. doi:10.5507/bp.2018.004