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 …

Jan 9, 2026 · Learn the medical definition of a lesion, how experts classify these abnormal tissue changes (primary/secondary), and their causes, whether internal or external.

Lesions are often classified by their tissue types or locations. For example, "skin lesions" or "brain lesion" are named for the tissue where they are found. If there is an added significance to …

Jun 12, 2017 · A lesion is an area of inflammation in a tissue that suffered trauma or the impact of chronic illness. Typically, a lesion involves an abnormal structural change to a tissue.

Sep 6, 2025 · A lesion is a mark on the skin that looks or feels different than the surrounding skin. Everything from a blister to a bug bite could be referred to as a lesion.

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, …

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.

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

/ ˈli·ʒən / Add to word list an injury to a person’s body or to an organ (Definition of lesion from the Cambridge Academic Content Dictionary © Cambridge University Press)

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.