Brain capillary endothelial cells forming the bloodâbrain barrier are polarised and possess distinct transport proteins in the luminal and abluminal plasma membranes. This illustration depicts a model describing some of these transporters.
metalanguage. A language used to describe another language.
Germanium (Ge) Germanium (Ge), a chemical element between silicon and tin in Group 14 (IVa) of the periodic table, a silvery-gray metalloid, intermediate in properties between the metals and the nonmetals.