
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]
What Is a Lesion? Definition, Types, and Causes
3 days ago · Learn the medical definition of a lesion, how experts classify these abnormal tissue changes (primary/secondary), and their causes, whether internal or external.
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.
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.
LESION Definition & Meaning - Merriam-Webster
The meaning of LESION is injury, harm. How to use lesion in a sentence.
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 …
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.
LESION Definition & Meaning | Dictionary.com
LESION definition: an injury; hurt; wound. See examples of lesion used in a sentence.
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.
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 …