HOSA Dental Terminology Practice

What is a lymphangioma?

1. A tumor of the lymphatic vessels

2. A type of bone tumor

3. A malignant tumor of connective tissue

4. A neoplasm arising from epithelial cells

The correct answer is: A tumor of the lymphatic vessels

A lymphangioma is classified specifically as a tumor of the lymphatic vessels. It is a benign growth that arises from the lymphatic system, which comprises a network of vessels and nodes responsible for transporting lymph fluid throughout the body. Lymphangiomas can be present at birth or develop in childhood, and they typically appear as soft, swelling masses that may be located on various parts of the body. Understanding lymphangioma involves recognizing its benign nature and its distinct origin from lymphatic tissues, which is why it stands apart from the other choices. For instance, tumors classified as bone tumors arise from osseous tissue, while malignant tumors of connective tissue refer to sarcomas. Neoplasms that arise from epithelial cells are a different category altogether and typically consist of carcinomas. Therefore, the classification of lymphangioma as a tumor of the lymphatic vessels is accurate and highlights its specific characteristics within the broader context of tumors and growths in the human body.