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.
First of all as I am sure you know the brain is protected by what is known as the Blood Brain Barrier (BBB) and what this BBB does is help protect the brain from foreign substances that may be harmful to it such as low lipid fat soluble molecules. But glycogen is allowed to pass through the BBB to help fuel the brain.