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  1. Lesion - Wikipedia

    A lesion is any damage or abnormal change in the tissue of an organism, usually caused by injury or diseases. The term lesion is derived from the Latin laesio, meaning "injury". [1]

  2. Skin Lesions: What They Are, Types, Causes & Treatment

    Skin lesions are areas of your skin that are different from the skin around them. Skin lesions are common and may be the result of an injury or damage to your skin, like sunburn. They’re sometimes …

  3. Lesions: Types, Melanoma Signs, Diagnosis, Treatment

    Sep 6, 2025 · The term "lesion" is used to describe any abnormal skin tissue, from birthmarks to tumors. Here's what you should know about the different types.

  4. What Is a Lesion? Definition, Causes, and Types

    Demystify the medical term “lesion.” Learn the precise definition of abnormal tissue change, how it’s classified, and the primary categories of causes.

  5. Definition of lesion - NCI Dictionary of Cancer Terms

    An area of abnormal or damaged tissue caused by injury, infection, or disease. A lesion can occur anywhere in or on the body, such as the skin, blood vessels, brain, and other organs.

  6. What Is a Lesion? Common Types & What They Mean

    Dec 12, 2025 · A lesion is an abnormal tissue area that may appear as a blister, cyst, or tumor. Learn what each type means and when to seek medical help.

  7. LESION Definition & Meaning - Merriam-Webster

    The meaning of LESION is injury, harm. How to use lesion in a sentence.

  8. Lesion | definition of Lesion by Medical dictionary

    Lesion is a broad term, including wounds, sores, ulcers, tumors, cataracts, and any other tissue damage. They range from the skin sores associated with eczema to the changes in lung tissue that …

  9. What is a lesion? – MyPathologyReport

    The word lesion is a general medical term used to describe any area of tissue that looks different from normal. A lesion can be caused by many things, including injury, infection, inflammation, or abnormal …

  10. LESION | definition in the Cambridge English Dictionary

    LESION meaning: 1. an injury to a person's body or to an organ inside their body: 2. an injury to a person's body…. Learn more.