Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D009072
http://purl.bioontology.org/ontology/MESH/D009072
Preferred Name

Moyamoya Disease

Definitions
A noninflammatory, progressive occlusion of the intracranial CAROTID ARTERIES and the formation of netlike collateral arteries arising from the CIRCLE OF WILLIS. Cerebral angiogram shows the puff-of-smoke (moyamoya) collaterals at the base of the brain. It is characterized by endothelial HYPERPLASIA and FIBROSIS with thickening of arterial walls. This disease primarily affects children but can also occur in adults.
Synonyms
Disease, Primary Moyamoya
Moyamoya Disease, Primary
Moya Moya Disease
Progressive Intracranial Occlusive Arteropathy (Moyamoya)
Primary Moyamoya Diseases
Moyamoya Disease, Secondary
Moya-Moya Disease
Secondary Moyamoya Disease
Classic Moyamoya Disease
Disease, Classic Moyamoya
Cerebrovascular Moyamoya Disease
Moyamoya Syndrome
Primary Moyamoya Disease
Moyamoya Disease, Classic
Disease, Moya-Moya
Moyamoya Diseases, Primary
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Type http://www.w3.org/2002/07/owl#Class
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