The word "osteoma" is a noun that refers to a type of tumor that is made up of bone tissue. It grows slowly and is usually not harmful (benign). Osteomas commonly appear on the skull or the lower jaw (mandible).
In medical literature, you might see phrases like "The management of osteomas often depends on their size and location." This means that how doctors decide to treat osteomas can vary based on how big they are and where they are in the body.
In summary, an osteoma is a slow-growing, non-cancerous tumor made of bone tissue, often found on the skull or jaw.