osteocalcin

O1S1T1E1O1C3A1L1C3I1N1

noun

A protein, found in bone and dentin and manufactured by osteoblasts, that plays a role in mineralization and calcium ion homeostasis.

UncommonScrabble 15

Meanings

nounosteocalcin (countable and uncountable, plural osteocalcins)

plural osteocalcins

  1. countableuncountablebiochemistryA protein, found in bone and dentin and manufactured by osteoblasts, that plays a role in mineralization and calcium ion homeostasis.

    Comparison of the sequences of the various osteocalcins indicates that the central portion of the molecule is highly conserved.

    1994, Hideaki Ogura, Pharmacological Approach to the Study of the Formation and the Resorption Mechanism of Hard Tissues, Ishiyaku EuroAmerica, page 134
    2 more examples

    Osteocalcin has recently been identified as a bone-derived hormone with significant functional impacts on sex steroid production by the testis, completing the circle of mutual interdependence between the skeletal system and gonad (for reviews, see Refs 536–538).

    2014, Lee B. Smith, William H. Walker, “16: Hormone Signaling in the Testis”, in Tony M. Plant, Anthony J. Zeleznik, editors, Knobil and Neill's Physiology of Reproduction, Elsevier (Academic Press), page 669

    Osteocalcin together with the other Gla-protein MGP belongs to a distinct subgroup of the larger vitamin K-dependent protein family, the constituents of which are primarily involved in blood coagulation.

    2017, Olena V. Andrukhova, Reinhold G. Erben, “11: Kidney—Bone: Interaction”, in Susan Y. Smith, Aurore Varela, Rana Samadfam, editors, Bone Toxicology, Springer, page 349

Origin

  1. Proto-Indo-European*h₃ésth₁
  2. Ancient Greekὀστέον (ostéon)
  3. Englishosteo-
  4. Englishcalc-
  5. Englishosteocalcin

From osteo- + calc- + -in.

Full word history & related roots →

Translations

French ostéocalcine
  • ostéocalcineprotein found in bone and dentin, manufactured by osteoblasts
Irish oistéacailcin
  • oistéacailcinprotein found in bone and dentin, manufactured by osteoblasts
Italian osteocalcina
  • osteocalcinaprotein found in bone and dentin, manufactured by osteoblasts
Polish osteokalcyna
  • osteokalcynaprotein found in bone and dentin, manufactured by osteoblasts
Cite this entry
APA

osteocalcin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/osteocalcin

MLA

“osteocalcin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/osteocalcin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “osteocalcin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/osteocalcin.

Source: osteocalcin on Wiktionary, CC BY-SA 4.0.