The narrow cervical spinal canal.
D000368:Aged; D002574:Cervical Vertebrae / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D009192:Myelography; D013117:Spinal Cord Compression / Q000000981:diagnostic imaging*; D013128:Spinal Osteophytosis / Q000000981:diagnostic imaging*; D013130:Spinal Stenosis / Q000000981:diagnostic imaging* / Q000601:surgery