The penetration of proteins and colloidal materials into the thymus from the blood stream.
D000818:Animals; D000941:Antigens; D001345:Autoradiography; D005293:Ferritins; D007505:Iron-Dextran Complex; D051379:Mice; D008854:Microscopy, Electron; D010539:Permeability; D012711:Serum Albumin, Radio-Iodinated; D013950:Thymus Gland / Q000033:anatomy & histology* / Q000098:blood supply*
D000941:Antigens; D012711:Serum Albumin, Radio-Iodinated; D007505:Iron-Dextran Complex; D005293:Ferritins