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Lewandowsky coined the term blood–brain barrier in 1900, referring to the hypothesized semipermeable membrane which separated the human central nervous system from the rest of the body's vasculature, and which prevented the entry of certain compounds from entering the brain when injected into the bloodstream. [4]
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]
Edwin Goldmann (12 November 1862 – 12 August 1913) was a biomedical researcher and surgeon most famous for his contributions in first characterizing the blood–brain barrier. [ 1 ] Discovery of the blood–brain barrier
The blood–brain barrier is formed by special tight junctions between endothelial cells lining brain blood vessels. Blood vessels of all tissues contain this monolayer of endothelial cells, however only brain endothelial cells have tight junctions preventing passive diffusion of most substances into the brain tissue. [1]
Within the brain, the glial limiting membrane is an important constituent of the blood–brain barrier. Experiments using electron-dense markers have discovered that functional components of the blood–brain barrier are the endothelial cells that compose the vessel itself.
Blood-testis barrier, the biological barrier between blood and testes; Blood-placental barrier, the biological barrier between a pregnant individual's blood and foetal blood (blood of one or more foetuses) Blood-CSF barrier, the biological barrier between blood and cerebrospinal fluid (CSF; also called brain fluid) Blood–spinal cord barrier ...
bEnd.3 is a mouse brain cell line derived from BALB/c mice. The cell line is commonly used in vascular research and studies of endothelial brain tissue. [ 1 ] In particular, bEnd.3 cells can serve as blood–brain barrier models for ischemia .
The blood–cerebrospinal fluid barrier (BCSFB) is a fluid–brain barrier that is composed of a pair of membranes that separate blood from CSF at the capillary level and CSF from brain tissue. [14] The blood–CSF boundary at the choroid plexus is a membrane composed of epithelial cells and tight junctions that link them. [14] There is a CSF ...