Ostéocyte
The ostéocyte is to become to it Ostéoblaste. It is located in the bone tissue at the difference of the Ostéoblaste, located in the mineral-bearing matrix. It is placed in cavities dug in the matrix: the Osteoplast. It is a spindle-shaped cell, flattened, with the core condensed and. A cytoplasm acidophile. Its contours are irregular. It has prolongations which enable him to communicate with others ostéocytes thanks to communicating junctions. It is less active than the osteoblast but takes part in the maintenance of the extracellular matrix (here the osseous matrix) by working out its components (capable of osteosynthesis). The ostéocyte is not vascularized. It has a developed ergastoplasme. It has mechanoreceptors which makes it possible to inform the osteoblast about the osseous pressure and thus manages its role osteoblastic. It is a cell which does not divide and dies on the spot.
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