[The characteristics of osteoclast localization in the bones of the extremities of the crested salamander Pleurodeles waltlii].
Localization of polynuclear osteoclasts in limb bones of ribbed newt were analyzed in consideration of calcium content in different bone structures. With using the methods of light and scanning electron microscopy and X-ray microanalysis it was shown that a critical level of cartilage calcification is need to activate osteoclasts. Osseous tissue can bind more calcium salt without resorption.
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D000818:Animals; D001842:Bone and Bones / Q000166:cytology* / Q000378:metabolism; D002118:Calcium / Q000378:metabolism; D002356:Cartilage / Q000166:cytology / Q000378:metabolism; D003584:Cytological Techniques; D004577:Electron Probe Microanalysis; D005121:Extremities / Q000033:anatomy & histology* / Q000502:physiology; D008855:Microscopy, Electron, Scanning; D010010:Osteoclasts / Q000166:cytology* / Q000378:metabolism; D010999:Pleurodeles / Q000033:anatomy & histology* / Q000378:metabolism; D013499:Surface Properties
D002118:Calcium