Medical Dictionary

Health Glossary

Demystifying medical language. Browse or search for clear, human-centered explanations of common medical terms.

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A lesion is any area of tissue that has been damaged or has changed from its normal appearance. Lesions may…

A cancer that affects blood-forming tissues, especially white blood cells. It begins mainly in: Related:

A large organ that helps: The liver plays a major role in metabolism and detoxification. Related:

A temporary or prolonged inability to respond or remain awake. Possible causes include: Related:

The main organs responsible for breathing and oxygen exchange. The lungs help: Related:

A long-term autoimmune disease in which the immune system attacks healthy body tissues. Lupus may affect: Related:

A cancer of the lymphatic system and immune cells. It commonly affects: Related:

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