Definitions for osteoclastˈɒs ti əˌklæst

This page provides all possible meanings and translations of the word osteoclast

Random House Webster's College Dictionary

os•te•o•clastˈɒs ti əˌklæst(n.)

  1. a skeletal cell that functions in bone formation.

    Category: Cell Biology

  2. a surgical instrument for effecting osteoclasis.

    Category: Surgery

Origin of osteoclast:

1870–75; osteo - +-clast < Gk klastós broken

os`te•o•clas′tic(adj.)

Princeton's WordNet

  1. osteoclast(noun)

    cell that functions in the breakdown and resorption of bone tissue

Wiktionary

  1. osteoclast(Noun)

    A large multinuclear cell associated with the resorption of bone

  2. osteoclast(Noun)

    An instrument for performing osteoclasis.

Freebase

  1. Osteoclast

    An osteoclast is a type of bone cell that removes bone tissue by removing its mineralized matrix and breaking up the organic bone. This process is known as bone resorption. Osteoclasts were discovered by Kolliker in 1873. Osteoclasts and osteoblasts are instrumental in controlling the amount of bone tissue: osteoblasts form bone, osteoclasts resorb bone. Osteoclasts are formed by the fusion of cells of the monocyte-macrophage cell line. Osteoclasts are characterized by high expression of tartrate resistant acid phosphatase and cathepsin K.

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