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.
Paralanguage is nonverbal communication such as your tone, pitch or manner of speaking. An example of paralanguage is the pitch of your voice. nonverbal means of communication, such as tone of voice, laughter, and, sometimes, gestures and facial expressions, that accompany speech and convey further meaning. noun.