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Term:
Parent Terms Term With Siblings Child Terms
Abnormal facial vein morphology 
Abnormal inferior thyroid vein morphology 
Abnormal jugular vein morphology +  
Abnormal vena cava morphology +   
Arteriovenous fistulas of celiac and mesenteric vessels  
Iliac vein compression 
Prominent superficial veins +   
Venous insufficiency +   
Venous malformation  
A vascular malformation resulting from a developmental error of venous tissue composed of dysmorphic channels lined by flattened endothelium and exhibiting slow turnover. A venous malformation may present as a blue patch on the skin ranging to a soft blue mass. Venous malformations are easily compressible and usually swell in thewhen venous pressure increases (e.g., when held in a dependent position or when a child cries). They may be relatively localized or quite extensive within an anatomic region.
Venous stenosis 

Synonyms
Exact Synonyms: VENOUS MALFORMATIONS
Xrefs: SNOMEDCT_US:297222002 ;   UMLS:C2937220
Definition Sources: https://orcid.org/0000-0002-0736-9199

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