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.
In the field of psychology, assimilation refers to a process wherein people gain new knowledge and add them up to existing information.The concept of assimilation was created by known psychologist, Jean Piaget, who also became popular with his cognitive development theories involving children.n these examples, a previous schema or existing information already exists and these will be reinforced with new information through the assimilation process. In this way, human beings will be able to better adapt or adjust to his/her environment especially when there are new experiences encountered.