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后交叉韧带 hòu jiāo chā rèn dài
anat. posterior cruciate ligament (起自胫骨髁间隆起的后方,斜向前上内方,附着于股骨内侧課的外侧面。屈膝时后交叉韧带最紧张,可防止胫骨后移)
sport., med. posterior cruciate ligament