Cerebrospinal fluid as an element of biological protection of the spinal cord.
D000328:Adult; D000368:Aged; D002420:Cauda Equina / Q000502:physiology; D002555:Cerebrospinal Fluid / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013116:Spinal Cord / Q000502:physiology