User:CrafterNova/Notes/List of biological barriers


 * List of biological barriers
 * Blood-brain barrier, a biological barrier that prevents entry of harmful substances into the brain by selectively allowing some substances to pass through it


 * Blood-testis barrier, the biological barrier between blood and testes


 * Blood-placental barrier, the biological barrier between a pregnant person's blood and foetal blood (blood of the baby or babies)


 * Blood-CSF barrier, the biological barrier between blood and cerebrospinal fluid (CSF; a.k.a. brain fluid)


 * Blood–spinal cord barrier, the biological barrier between blood and the spinal cord