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lesion

n. any disruption of or damage to the normal structure or function of an organ or part of an organ due to injury, disease, or a surgical procedure. A lesion may be a wound, ulcer, tumor, cataract, or any other pathological change in tissue. See also temporary lesion.

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Psychology term of the day

May 8th 2024

axiom

axiom

n. in logic and philosophy, a universally accepted proposition that is not capable of proof or disproof. An axiom can be used as the starting point for a chain of deductive reasoning. Also called postulate. [from Greek axioma, “worthy thing”] —axiomatic adj.