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Osteoclast
(redirected from Osteoclasts)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
osteoclast [′äs·tē·ə‚klast]
(histology)
A large multinuclear cell associated with bone resorption.
(medicine)
A large surgical apparatus through which leverage can be exerted to effect osteoclasis.
Osteoclast 

a cell that is involved in the destruction and resorption of bone tissue in vertebrate animals and man. An osteoclast contains from three to several dozen nuclei and a great many lysosomes, whose hydrolytic enzymes upon release from the osteoclasts resorb the mineral matrix of bone and calcified cartilage.
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Bone is a living tissue that constantly repairs itself - a process regulated by cells called osteoblasts which form new bone and osteoclasts which remove old bone.
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Among the cells they produced were osteoclasts, large white cells involved in the brittle bone disease osteoporosis, and eosinophils, which play a role in allergy and asthma.
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