osteoclast
osteoclast os"te*o*clast, n. [Osteo- + Gr. kla^n to break.] 1. (Physiol.) Same as {myeloplax}, a large multinucleate cell within the bone, which functions in the absroption and removal of bone tissue. [1913 Webster +PJC]

Note: The osteoclasts occur usually in pits or cavities which they appear to have excavated, and are supposed to be concerned in the absorption of the bone matrix. [1913 Webster]

2. An instrument for performing osteoclasis. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Osteoclast — Osteoclast, with bone below it, showing typical distinguishing characteristics: a large cell with multiple nuclei and a foamy cytosol. Latin osteoclastus Code …   Wikipedia

  • osteoclast — OSTEOCLÁST, osteoclaste, s.n. (biol.) Celulă din sânge cu rol în osteoporoză. [pr.: te o ] – Din fr. ostéoclaste. Trimis de ana zecheru, 13.09.2007. Sursa: DEX 98  osteoclást s. n. (sil. te o ), pl. osteocláste Trimis de siveco, 10.08.2004.… …   Dicționar Român

  • osteoclast — [äs′tē ō klast΄] n. [< OSTEO + Gr klastos: see CLASTIC] 1. any of the large multinucleate cells in bone which absorb or break down bony tissue 2. an instrument used to perform osteoclasis …   English World dictionary

  • Osteoclast — Osteoklasten (von griech./lat. osteon = Knochen, und κλάστειν (klastein) = zerbrechen), (Singular der Osteoklast) sind mehrkernige Zellen, die durch Fusion von mononukleären Vorläuferzellen aus dem Knochenmark entstehen. Sie gehören zum… …   Deutsch Wikipedia

  • Osteoclast — A cell that nibbles at and breaks down bone and is responsible for bone resorption. Osteoclasts are large multinucleate cells (cells with more than one nucleus) that differentiate from another type of cell called a macrophage. In normal bone,… …   Medical dictionary

  • osteoclast — osteoclastic, adj. /os tee euh klast /, n. 1. Cell Biol. one of the large multinuclear cells in growing bone concerned with the absorption of osseous tissue, as in the formation of canals. 2. Surg. an instrument for effecting osteoclasis. [1870… …   Universalium

  • osteoclast — noun Etymology: International Scientific Vocabulary oste + Greek klastos broken more at clast Date: 1872 any of the large multinucleate cells closely associated with areas of bone resorption • osteoclastic adjective …   New Collegiate Dictionary

  • osteoclast — a bone cell which is involved in bone resorption, may be mononucleated in fish …   Dictionary of ichthyology

  • osteoclast — Large multinucleate cell formed from differentiated macrophage, responsible for breakdown of bone …   Dictionary of molecular biology

  • osteoclast — noun A large multinuclear cell associated with the resorption of bone …   Wiktionary

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