1867, medical Latin, from angio- + -oma.

A tumor whose cells tend to form blood vessels (hemangioma) or lymph vessels (lymphangioma).

n. an abnormal swelling within the vascular system. Usually involves blood vessels and/or lymph nodes.

(n) a tumor consisting of a mass of blood or lymphatic vessels

A tumor (usually benign) whose cells tend to form blood vessels (hemangioma) or lymph vessels (lymphangioma); a tumor made up of blood vessels or lymph vessels.

Tumour composed of blood vessels (19thC)

A vascular anomaly due to proliferation of Blood or Lymphatic Vessels that Forms a Tumor-like mass. Vessels in the angioma may or may not be dilated.

A Tumor-like mass with large vascular space that is filled with Blood or Lymph.

A slowly growing benign Skin nodule consisting of poorly demarcated cellular fibrous Tissue enclosing collapsed Capillaries with scattered HEMOSIDERIN-pigmented and lipid Macrophages. They are common, [..]

A vascular anomaly characterized by a radial or wedge-shaped arrangement of dilated Veins draining into a larger Vein in the Brain, spinal cord, or the Meninges. Veins in a venous Angioma are surround [..]

<dermatology, oncology> A knot of distended blood vessels atypically and irregularly arranged. most are not tumours but haematomas. (06 Mar 1998)