the observation of a translocation of intraabdominally introduced pvp-coated silica particles ( percoll ) via parathymic lymph vessels and through the thymic capsule into the cortical parenchyma demonstrates that the thymic cortex is accessible to materials carried with the transcapsular flux of interstitial fluid , and that this barrier is less effective than the blood-thymus barrier .
C0229945
thymic capsule
C0040113
thymus