Brain barrier phenomena.
D000596:Amino Acids / Q000378:metabolism; D000818:Animals; D001693:Biological Transport, Active; D001812:Blood-Brain Barrier; D001921:Brain / Q000033:anatomy & histology / Q000378:metabolism; D002415:Cats; D002463:Cell Membrane Permeability; D002555:Cerebrospinal Fluid / Q000378:metabolism; D005110:Extracellular Space; D011817:Rabbits; D051381:Rats
D000596:Amino Acids