子宫颈管

子宫颈管（lat. canalis cervicis uteri）是一条狭窄的管道，通过称为宫颈管外部开口的阴道入口连接子宫腔和阴道腔。

子宫颈管长约1-1.5厘米，内径平均6

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Dr. William Whitbourne

Dr. William Whitbourne