A lesion is a medical term describing any area of tissue that has undergone an abnormal structural or functional change. This broad classification applies to a wide variety of abnormalities, ranging from a …

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]

6 days ago · 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.

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 …

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

Nov 18, 2025 · A lesion is a general medical term describing any area of abnormal or damaged tissue, whether located on the skin, within an organ, or on a bone. This definition applies to any structural …

Dec 5, 2025 · What is a lesion? Lesions are abnormal changes in skin or tissue, including bumps, discoloration, or growths, that may require medical evaluation.

Lesion is a word pathologists use to describe abnormal cells or tissues. Types of lesions include tumours, traumatic injuries, and infections.

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.

/ 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)