Descent of cerevrospinal fluid to spinal subarachnoid space.
D000818:Animals; D002552:Cerebral Ventricles; D002555:Cerebrospinal Fluid / Q000378:metabolism*; D002557:Cerebrospinal Fluid Shunts; D002946:Cisterna Magna; D003201:Computers; D000882:Haplorhini; D007278:Injections, Spinal; D008251:Macaca; D011877:Radionuclide Imaging; D012711:Serum Albumin, Radio-Iodinated / Q000008:administration & dosage / Q000134:cerebrospinal fluid*; D013131:Spine; D013346:Subarachnoid Space / Q000378:metabolism*; D013667:Technetium / Q000008:administration & dosage / Q000134:cerebrospinal fluid*; D013997:Time Factors
D012711:Serum Albumin, Radio-Iodinated; D013667:Technetium