[Histological observations on the human arachnoid].
D000293:Adolescent; D000328:Adult; D000368:Aged; D001099:Arachnoid / Q000166:cytology* / Q000473:pathology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D008875:Middle Aged