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In case of narrowing of other arteries of the circle of Willis or the arteries supplying the circle, the anterior communicating artery can provide a way to supply blood to the opposite (affected) side of the circle. This can often preserve the cerebral blood supply well enough to avoid the symptoms of ischemia. [7]
The circle of Willis is a part of the cerebral circulation and is composed of the following arteries: [3] Anterior cerebral artery (left and right) at their A1 segments; Anterior communicating artery; Internal carotid artery (left and right) at its distal tip (carotid terminus) Posterior cerebral artery (left and right) at their P1 segments
The Yakovlevian torque in the cerebrum (exaggerated). Redrawn from Toga & Thompson (2003). [1]Yakovlevian torque (also known as occipital bending (OB) [2] or counterclockwise brain torque [3]) is the tendency of the right side of the human brain to be warped slightly forward relative to the left and the left side of the human brain to be warped slightly backward relative to the right.
The external capsule is a series of white matter fiber tracts in the brain. These fibers run between the most lateral (toward the side of the head) segment of the lentiform nucleus (more specifically the putamen) and the claustrum. The white matter of the external capsule contains fibers known as corticocortical association fibers.
Brain at the U.S. National Library of Medicine Medical Subject Headings (MeSH) (view tree for regions of the brain) BrainMaps.org; BrainInfo (University of Washington) "Brain Anatomy and How the Brain Works". Johns Hopkins Medicine. 14 July 2021. "Brain Map". Queensland Health. 12 July 2022.
Both the left and right hemispheres of the brain have a lateral geniculate nucleus, named after its resemblance to a bent knee (genu is Latin for "knee"). In humans as well as in many other primates, the LGN has layers of magnocellular cells and parvocellular cells that are interleaved with layers of koniocellular cells.
For instance, another recent study found that reducing processed meat intake by 30% or about 8.7 grams per day — meaning eating at least five fewer slices of bacon per week — over 10 years ...
Head V is a 1949 painting by Irish-born British artist Francis Bacon, one of the series of works made in 1949 for his first one-man exhibition at the Hanover Gallery, in London. It measures 82 by 66 centimetres (32 in × 26 in) and is held in a private collection. The painting is part of a series of six works from the late 1940s depicting heads.