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.
Metallurgy. a microscopic lamellar structure found in iron or steel, composed of alternating layers of ferrite and cementite. 2. Petrography. perlite.