cerebral arterial disease Moyamoya disease https://github.com/monarch-initiative/mondo/issues/9097 NANDO:2100228 NCIT:C84895 DOID:13099 MYMY icd11.foundation:369231682 MEDGEN:7726 MedDRA:10028047 Moyamoya disease, primary OMIMPS:252350 NANDO:1200183 MONDO:0016820 idiopathic Moyamoya disease UMLS:C0026654 SCTID:89142007 GARD:0007064 icd11.foundation:1746892088 Moyamoya disease (MMD) is a rare intracranial arteriopathy involving progressive stenosis of the cerebral vasculature located at the base of the brain causing transient ischemic attacks or strokes. progressive intracranial arterial occlusion Orphanet:2573 NORD:1457 ICD10CM:I67.5 MESH:D009072 Moyamoya disease, secondary NANDO:2200850 hereditary neurological disease