What does Calcium deficiency mean?

Calcium deficiency meaning in Medical Dictionary

a decreased bloodstream degree of calcium (hypocalcemia), which will make the nervous system very irritable, causing spasms of this hands and legs (tetany), muscle tissue cramps, stomach cramps, excessively energetic reflexes, and so forth. Chronic calcium deficiency plays a role in bad mineralization of bones, smooth bones (osteomalacia) and weakening of bones, and, in children, rickets and impaired growth.