Calcification n. : The process of change into a stony or calcareous substance by the deposition of lime salt; -- normally, as in the formation of bone and of teeth; abnormally, as in calcareous degeneration of tissue.

Example:
What is Calcification of the anterior falx cerebri?

Taxonomy
Calcification, deficiency, free encyclopedia, Mineral balance, Dystrophic calcification, Metastatic calcification, Pattern, systemic, search, soft tissue, mineral imbalance, elevation, calcium levels, blood, tissues, Brain, pathological processes, appearance.

Defination from the web:
Calcification is the process in which calcium salts build up in soft tissue, causing it to harden. ... Dystrophic calcification, without a systemic mineral imbalance. Metastatic calcification, a systemic elevation of calcium levels in the blood and all tissues. ...