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Definition of Calcitonin
1. Noun. Thyroid hormone that tends to lower the level of calcium in the blood plasma and inhibit resorption of bone. 
Definition of Calcitonin
1. [n -S]
Medical Definition of Calcitonin
1. 
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1. Noun. Thyroid hormone that tends to lower the level of calcium in the blood plasma and inhibit resorption of bone. 
1. [n -S]
1.