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.
But these blood vessels are different from all the other blood vessels in our body. They are lined by a strange structure called the blood-brain barrier. It closely controls what is, and is not, allowed to leave the blood supply and enter the brain.It's your own personal customs and border security.e can now see that the blood-brain barrier is not just a flyscreen with little holes in it, but a vital organ made of many different types of cells. The anatomy and micro-anatomy is astonishing. The blood vessels in the brain (and in the spinal cord as well) are lined on the inside with specialised endothelial cells.