Your blood-brain barrier (BBB) is a tightly locked layer of cells that defend your brain from harmful substances, germs and other things that could cause damage. It’s a key part of maintaining your brain health.

The blood–brain barrier (BBB) is a highly selective semipermeable border of endothelial cells that regulates the transfer of solutes and chemicals between the circulatory system and the central nervous system, thus protecting the brain from harmful or unwanted substances in the blood. [1]

Jan 21, 2025 · The blood–brain barrier (BBB) is a crucially important defensive structure. Like a wall around a garden it protect s the brain from harmful substances in th e bloodstream, including most viruses, bacteri a, and toxins. This barrier also helps to contain molecules to maintain the brain’s chemical balance. On a Cellular Level

Aug 24, 2023 · Blood-Brain Barrier (BBB) is a selectively permeable membrane regulates the passage of a multitude of large and small molecules into the microenvironment of the neurons. It achieves this feat by with the aid of multiple cellular transport channels scattered along …

May 25, 2023 · Blood–brain barrier (BBB) is a natural protective membrane that prevents central nervous system (CNS) from toxins and pathogens in blood.

The blood-brain barrier (BBB) is a semipermeable and extremely selective system in the central nervous system of most vertebrates, that separates blood from the brain's extracellular fluid. It plays a vital role in regulating the transport of ...

Mar 17, 2023 · The blood-brain barrier (BBB), first described by Paul Ehlrich (1885), is a highly selective semi-permeable membrane between the blood and brain interstitium. This unique barrier allows cerebral blood vessels to regulate the movement of …

Apr 4, 2023 · The blood-brain barrier (BBB) is a selective semi-permeable membrane between the blood and the interstitium of the brain, allowing cerebral blood vessels to regulate molecule and ion movement between the blood and the brain. The BBB is composed of endothelial cells (ECs), pericytes (PCs), capillary basement membrane, and astrocyte end-feet, all ...

The blood–brain barrier (BBB) is a term used to describe the unique properties of the microvasculature of the central nervous system (CNS). CNS vessels are continuous nonfenestrated vessels, but also contain a series of additional properties that allow them to tightly regulate the movement of molecules, ions, and cells between the blood and ...

The blood-brain barrier (BBB) maintains the optimal microenvironment in the central nervous system (CNS) for proper brain function. The BBB is comprised of specialized CNS endothelial cells with fundamental molecular properties essential for the function and integrity of the BBB.