Inflammation of a joint or joints; a medical term for arthritic inflammation specifically affecting the joint structures.
From arthro- (joint) + phlogosis (from Greek phlogoun, to burn or inflame, related to phlox, flame). This term was common in 18th-19th century medical texts before 'arthritis' became the standard term.
This word is a beautiful example of how Greek medical terminology uses metaphor—'phlogosis' literally means burning, which is exactly what inflammation feels like and actually looks like under a microscope, with inflamed tissue turning red and hot.
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