Ключевые слова: alphabet, arnold, background, brain, chiari, chiari malformation, concept, conceptual, conclusion, diagnosis, disease, disorder, doctor, document, hand, health, idea, illness, inscription, malformation, management, medical, medicine, medicines, neurological, neurologist, neurology, neuroscience, neurosurgery, opinion, patient, physician, pills, scene, spinal, stethoscope, symptom, text, tomography, treatment,