未经处理的同种异体肌腱组：偶见腱细胞，未见到新生的细胶原原纤维，粗胶原原纤维排列紊乱、疏松。
Fresh allograft group: No tenocyte, and few new collagen fibril could be seen, thick collagen fibril arranged at random and loose.
网状层的胶质纤维细而短，排列疏松，细胞成分比大猪的密度大。
The collagen fibers in the reticular layer were fine, short and looselyarranged.
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