lesion

A part of an organ or skin that has been damaged by disease, infection, or injury.

• She has a small skin lesion.
• The scan revealed two lesions in the liver.
• A biopsy will show whether the lesion is cancerous.

How to use it: a lesion in/on something (The scan showed a lesion in her brain.)

Similar words: damaged area

Common phrases: skin lesion, brain lesion, lesion in something

An injury or damaged area of the body.

• The doctor cleaned the lesion.
• The fall left several lesions on his legs.
• The lesion healed without leaving a scar.

How to use it: a lesion on something (The doctor examined a lesion on his arm.)

Similar words: wound, injury

Common phrases: traumatic lesion, small lesion, lesion on something

A changed chemical structure produced when DNA or RNA is damaged.

• Radiation can produce a DNA lesion.
• The enzyme repairs lesions in damaged DNA.
• An unrepaired lesion may lead to a mutation.

Common phrases: DNA lesion, RNA lesion, repair a lesion

An unfair deal in which someone receives less than half the usual value of what they give.

• The seller claimed lesion after discovering the property's value.
• The court examined whether the sale involved lesion.
• That legal system allows certain contracts to be challenged for lesion.

Common phrases: lesion in contracts, claim lesion

To damage part of the body, especially as part of a scientific experiment.

• The procedure lesions a small area of tissue.
• Researchers lesioned the brain region involved in movement.
• The experiment required them to lesion specific nerve pathways.

Similar words: damage, injure

Common phrases: lesion brain tissue, lesion a region