fine horizontal lines seen in the angle between the diaphragm and the chest wall on a chest X-ray. It is a sign of pulmonary *oedema and therefore heart failure. [P. J. Kerley (20th century), British radiologist]... kerley b lines
normal permanent skin creases. Incisions parallel to Langer’s lines heal well and are less visible. [C. R. von E. Langer (1819–87), Austrian anatomist]... langer’s lines
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