: a protein that is found in the extracellular matrix of bone and in the serum of circulating blood, is produced by osteoblasts especially in the presence of vitamin K but is not a collagen, and when present at excessive levels in serum may be indicative of various disorders (as Paget's disease or postmenopausal osteoporosis) of bone metabolism
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“Osteocalcin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/osteocalcin. Accessed 23 Nov. 2024.
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