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Medical Definition of calcification
1 : impregnation with calcareous matter: as
a : deposition of calcium salts within the matrix of cartilage often as the preliminary step in the formation of bone — compare ossification sense 1a
b : abnormal deposition of calcium salts within soft tissue often causing thickening or hardening
2 : a calcified structure or part also : an abnormal deposit of calcium salts arterial calcifications
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