title: Ultrastructure of the arachnoid membrane in man.
mesh_terms: D001099:Arachnoid / Q000166:cytology*; D001485:Basement Membrane; D003094:Collagen; D003896:Desmosomes; D005347:Fibroblasts; D006801:Humans; D008264:Macrophages; D008854:Microscopy, Electron; D013346:Subarachnoid Space / Q000166:cytology
chemical_list: D003094:Collagen