Definition

A type of tumor that originates from the cells lining blood vessels or lymphatic vessels.

Example

The doctor diagnosed her with endothelioma after reviewing the biopsy results.

Conversation

Have you heard about endothelioma?

No, what is it?

It's a type of tumor that comes from the tissue lining blood vessels.

That sounds serious; I hope there's a good treatment for it.

Synonyms & Antonyms

Root Explanation

Endothelioma → It is formed from "endothelium" (from Greek "endon", meaning within, and "thele", meaning nipple or tissue) and "-oma" (meaning tumor). The word refers to a tumor that arises from the endothelial cells lining blood vessels and lymphatic vessels.

Memory Tip

Think of 'within' ('endon') and 'tissue' ('thele') to remember that 'endothelioma' is a tumor that originates from the tissue lining blood vessels.

Visually Confused Words