Spacio-temporal distribution of CD200R and its ligand CD200 in the adult and developing C57/BL6 mice brain Shrivastava Kalpana ⁎ , Gonzalez Pau, Acarin Laia Medical Histology, Neuroscience Institute, Universitat Autonoma Barcelona, Bellaterra, Barcelona, Spain CD200/CD200R signalling had been highlighted to contribute to immune privileged status of the CNS.