牙乳头;
rat dental papilla cell culture with nanometer-hap in vitro
大鼠牙乳头细胞与纳米羟基磷灰石的体外复合培养
Result: During cap stage and early bell stage, the expression of MMP-20 mRNA was negative in enamel organ, dental papilla and dental sac and that of TIMP-1 mRNA could be observed in dental papilla;
结果:帽状期及钟状早期,成釉器、牙乳头及牙囊MMP-20mRNA表达阴性;TIMP-1mRNA在牙乳头表达;
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