Sentences with phrase «brain barrier existed»

The word barrier sounds formidable, but scientists didn't even know the blood - brain barrier existed until they discovered it by accident just over a century ago.

Of course, the above discussion is referring to the situation where a healthy blood - brain barrier exists.

Not exact matches

Existing treatments are limited by their ability to cross the blood - brain barrier **, and doses must be kept low to avoid damage to healthy tissue.

Clearly, the student thought, a barrier — in German, Blut - Hirn - Schranke — must exist between brain and blood.

Chemotherapy generally has not been used to treat brain cancer, because of the blood - brain barrier that exists between the bloodstream and the cerebrospinal fluid surrounding the brain.

It does this well, because according to studies caffeine passes through your brain - blood barrier as though it doesn't exist.

But it does exist and has been studied for some time: «The blood - brain barrier (BBB) is formed by epithelial - like high resistance tight junctions within the endothelium of capillaries perfusing the vertebrate brain.»