The term subarachnoid hemorrhage (SAH) refers to extravasation of blood into the subarachnoid space between the pial and arachnoid membranes. SAH constitutes half of all spontaneous atraumatic intracranial hemorrhages; the other half consists of bleeding that occurs within the brain parenchyma.
Definitions and images to illustrate geological terms, links to images and website articles. Assimilation is that process of magmatic differentiation whereby ascending magmas evolve chemically by recruiting easily melted or dissolved components (fusibles) from the walls of their conduits. Under the agency of heat and magmatic fluids, ascending magmas pick up volatiles, silica, trace elements, and occassionally fragments of wall rock.
The definition of assimilation is to become like others, or help another person to adapt to a new environment. An example of assimilation is the change of dress and behaviors an immigrant may go through when living in a new country. Assimilation is defined as to learn and comprehend. An example of assimilation is to pick up playing a musical instrument or learning about history, writing or any other subject something quickly.