Studies on the blood--thymus barrier.
D000818:Animals; D000941:Antigens; D002463:Cell Membrane Permeability; D002465:Cell Movement; D002473:Cell Wall / Q000166:cytology*; D004622:Embryo, Mammalian; D004912:Erythrocytes / Q000502:physiology; D006168:Guinea Pigs; D008854:Microscopy, Electron; D051381:Rats; D013194:Staining and Labeling; D013950:Thymus Gland / Q000166:cytology*
D000941:Antigens