Fun Facts about the name Laggard. How unique is the name Laggard? Out of 5,838,786 records in the U.S. Social Security Administration public data, the first name Laggard was not present. It is possible the name you are searching has less than five occurrences per year. Weird things about the name Laggard: Your name in reverse order is Draggal. A random rearrangement of the letters in your name (anagram) will give Gdgaral. How do you pronounce that?
Wiktionary(0.00 / 0 votes)Rate this definition: blood-brain barrier(Noun) A structure in the central nervous system (CNS) that keeps various substances found in the bloodstream out of the brain while allowing in the substances essential to metabolic function, e.g. oxygen.
The BBB is distinct from the quite similar bloodâcerebrospinal-fluid barrier, which is a function of the choroidal cells of the choroid plexus, and from the bloodâretinal barrier, which can be considered a part of the whole realm of such barriers. Several areas of the human brain are not on the brain side of the BBB. small number of regions in the brain, including the circumventricular organs (CVOs), do not have a bloodâbrain barrier. The bloodâbrain barrier occurs along all capillaries and consists of tight junctions around the capillaries that do not exist in normal circulation.