how do strokes cause brain pain?
In: Biology
Our skull is a non-expandable object and the area of the brain only houses three things: brain, blood, and cerebrospinal fluid. The normal physiology is that, an increase in blood or fluid, the other will decrease to make up for the space taken. However in strokes, there is a “brain bleed” due to ruptured blood vessels. The brain itself doesn’t have a pain receptor, but when there is bleeding, the mechanism of increase-decrease could not be kept up, so the brain along with its protective cover (called meninges and they have pain receptors) is pushed towards the non-expandable skull, giving a person a brain pain.
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