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]

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.

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

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.

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 …

Jun 26, 2025 · A skin lesion is an area of skin that's different from the rest. Primary lesions can be present at birth or form later in life. Secondary lesions develop if a primary lesion becomes...

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

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 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 …

/ 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)