Calcitonin

Calcitonin is a a 32 amino acid polypeptide hormone that is produced

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in humans primarily by the C cells of the thyroid, and in many other animals in the ultimobrachial body.

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It is formed by proteolytic cleavage of a larger prepropeptide which is the product of the CALC1 gene, which itself is part of a superfamily of related protein hormone precusors including Islet Amyloid Precursor Protein, Calcitonin Gene-Related Peptide and the precursor of Adrenomedullin.

C: :This page is about the letter C itself. For other uses of C, see C (disambiguation)....

Thyroid: In anatomy, the thyroid is the largest endocrine gland in the body. It is situated on the front side of the neck at the level of C5 and T1 vertebral bodies, just below the laryngeal prominence (Adam's apple), near the thyroid cartilage over the trachea but covered by layers of skin and muscle. The t...