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细胞外间质是牙髓细胞生存,分化和运动的外环境,也是牙髓组织的主要构成部分,它的分布存在着增龄性变化[1]。胶原蛋白是牙髓中的主要细胞外间质成分,占人牙髓有机成分的34%[2]。胶原蛋白组成牙髓中的胶原纤维和网状纤维。通过组织学方法观察了不同年龄组2种牙髓
Extracellular matrix is the extrinsic environment of dental pulp cells for survival, differentiation and exercise. It is also the main component of dental pulp tissue, and its distribution has age-related changes [1]. Collagen is the major extracellular matrix component in pulp, accounting for 34% of the organic content of human dental pulp [2]. Collagen consists of collagen fibers and reticular fibers in the dental pulp. Two kinds of dental pulp of different age groups were observed by histological method