Magma: Magma, molten or partially molten rock from which igneous rocks form. It usually consists of silicate liquid, although carbonate and sulfide melts occur as well. Magma
There are three main types of stroke: transient ischemic attack, ischemic, and hemorrhagic. Itâs estimated that 87 percent of strokes are ischemic. Doctors also call a transient ischemic attack (TIA) a warning or ministroke. A clot that temporarily blocks blood flow to your brain causes a TIA.
A stroke is a sudden stoppage or decrease in the flow of blood in the brain, severe enough that it causes damage to the brain. There are two types of stroke: ischemic and hemorrhagic: Ischemic stroke is when the blood flow to the brain is diminished, usually because of a clot, called a thrombus, in one of the blood vessels in the brain.