A bone-forming cell that is derived from mesenchymal osteoprognitor cells and forms an osseous matrix in which it becomes enclosed as an osteocyte. SYN: osteoplast. [osteo- + G. blastos, germ]

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os·teo·blast 'äs-tē-ə-.blast n a bone-forming cell

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a cell, originating in the mesoderm of the embryo, that is responsible for the formation of bone. See also ossification.

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os·teo·blast (osґte-o-blast″) [osteo- + -blast] a cell that arises from a fibroblast and that, as it matures, is associated with the production of bone. osteoblastic adj

Medical dictionary. 2011.

Look at other dictionaries:

  • Osteoblast — Osteoblasts actively synthesizing osteoid that contains two osteocytes. Latin osteoblastus Code …   Wikipedia

  • osteoblast — OSTEOBLÁST, osteoblaste, s.n. Celulă osoasă tânără, nediferenţiată complet, din care se formează osteocitul. [pr.: te o ] – Din fr. ostéoblaste. Trimis de ana zecheru, 13.05.2004. Sursa: DEX 98  osteoblást s. n. (sil. te o blast), pl.… …   Dicționar Român

  • Osteoblast — Os te*o*blast, n. [Osteo + blast.] (Anat.) One of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast. [1913 Webster] …   The Collaborative International Dictionary of English

  • osteoblast — òsteoblast m DEFINICIJA fiziol. mlada vezivna ili koštana stanica koja sudjeluje u stvaranju osnovne koštane tvari pri čemu se pretvara u osteocit ETIMOLOGIJA osteo + blast …   Hrvatski jezični portal

  • osteoblast — [äs′tē ō blast΄] n. [ OSTEO + BLAST] any cell which develops into bone or secretes substances producing bony tissue osteoblastic adj …   English World dictionary

  • Osteoblast — Aufnahme mehrerer Osteoblasten. In der TEM Aufnahme ist das von den Osteoblasten synthetisierte Osteoid als helle, zur mineralisierten Knochenmatrix hin scharf abgegrenzten Zone (schwarze Grenzlinie) mit zwei eingelagerten Osteozyten gut zu… …   Deutsch Wikipedia

  • osteoblast — osteoblastic, adj. /os tee euh blast /, n. Anat. a bone forming cell. [1870 75; OSTEO + BLAST] * * * ▪ cell       large cell responsible for the synthesis and mineralization of bone during both initial bone formation and later bone remodeling.… …   Universalium

  • osteoblast — noun Etymology: International Scientific Vocabulary Date: 1875 a bone forming cell • osteoblastic adjective …   New Collegiate Dictionary

  • osteoblast — a cell which deposits calcium salts and forms bone, the precursor cells of osteocytes. Osteoblasts migrate to centres of bone formation during early development …   Dictionary of ichthyology

  • osteoblast — Mesodermal cell that gives rise to bone …   Dictionary of molecular biology

  • osteoblast — noun A mononucleate cell from which bone develops …   Wiktionary

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