名词
中文翻译：后穹窿
同义词：
['posterior cervix', 'posterior fornix']
例句：
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1.The pathologist performed a biopsy on the patient's posterior cervix to investigate the cause of the abnormal cells.
病理学家对患者的后穹窿进行了活组织检查，以调查异常细胞的原因。
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2.During childbirth, the posterior cervix is the part of the uterus that opens during delivery.
分娩过程中，后穹窿是子宫开口的部分。
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3.In gynecological surgery, the posterior cervix is often removed during hysterectomy.
妇科手术中，常在全子宫切除术中切除后穹窿。