Diastematomyelia and the tight filum terminale.
D000328:Adult; D002420:Cauda Equina / Q000002:abnormalities*; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007223:Infant; D008875:Middle Aged; D013116:Spinal Cord / Q000002:abnormalities*; D013118:Spinal Cord Diseases / Q000175:diagnosis; D016135:Spinal Dysraphism / Q000175:diagnosis