title: Morphology of the arachnoid villi and granulations.
mesh_terms: D000818:Animals; D001099:Arachnoid / Q000033:anatomy & histology* / Q000166:cytology; D002555:Cerebrospinal Fluid / Q000502:physiology; D004285:Dogs; D012408:Rubber; D012756:Sheep; D013346:Subarachnoid Space
chemical_list: D012408:Rubber