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.
Presentation Transcript. blood-testis barrier: blood-testis barrier The blood-testis barrier (BTB) is a physical barrier between the blood or lymph vessels and the lumen of seminiferous tubules of the animal testes.lood-testis barrier: HOW IT FORM Myoid layer Sertoli cell junction Sertoli cell junction formed by tight connections between the Sertoli cells, which are sustentacular cells (nurse cells) of the seminiferous tubules, and nourish the spermatogonia.