Phagocytosis and elimination of amelocyte debris by stratum intermedium cells in the transitional zone of the enamel organ of the rat incisor |
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Authors: | H. Moe H. Jessen |
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Affiliation: | (1) Anatomy Department C, University of Copenhagen, Denmark |
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Abstract: | Summary In the transitional zone of the enamel organ (rat) some of the amelocytes perish. Their debris is phagocytized and digested by stratum intermedium cells and macrophages. These two cell types also seem to remove cytosegresomes expelled from those amelocytes which survive and redifferentiate into transporting amelocytes. Digestion of the amelocyte debris in the stratum intermedium cells is effected rapidly and completely. Degeneration of stratum intermedium cells was not observed in the transitional zone.This work was supported by grants from The Danish Medical Research Council (512-149/69 and 512-1008/71) and The Danish Science Research Council (512-1009/71). |
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Keywords: | Tooth Enamel organ Cell differentiation Phagocytosis Electron microscopy |
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