noun🔗ShareHemangiomaA congenital, benign tumor of endothelial cells."The baby was born with a small, red birthmark on her arm, which the doctor diagnosed as a hemangioma, a benign tumor made of blood vessels. "El bebé nació con una pequeña marca de nacimiento roja en el brazo, que el médico diagnosticó como un hemangioma, un tumor benigno hecho de vasos sanguíneos.medicinediseasebiologyanatomybodyorganbiochemistryphysiologyChat with AIVocabulary GamePractice Reading