title: [Studies on testicular function. Report 6. Electron microscopic studies (Lanthanum-tracer and Freeze-etching method) on the blood-testis barrier in human testis (author's transl)].
mesh_terms: D000328:Adult; D005613:Freeze Etching; D006801:Humans; D007248:Infertility, Male / Q000473:pathology; D007365:Intercellular Junctions / Q000648:ultrastructure; D007811:Lanthanum; D008297:Male; D012708:Sertoli Cells / Q000648:ultrastructure; D013093:Spermatogonia / Q000648:ultrastructure; D013737:Testis / Q000648:ultrastructure*
chemical_list: D007811:Lanthanum