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.
Types of ischemic stroke. Ischemic strokes can take two forms: thrombotic or embolic. Thrombotic ischemic strokes happen when cerebral arteries become blocked by a blood clot, which prevents blood flow from reaching the brain. They can be further divided into two separate categories; large-vessel thrombosis and small-vessel thrombosis.