nuchal translucency 颈项透明层 ; 厚度 ; 颈部半透明厚度
superior nuchal line [解剖] 上项线
Nuchal rigidity [医] 颈强直 ; 颈项强直 ; 颈部僵硬
nuchal organ 颈器 ; [无脊椎] 项器
inferior nuchal line [解剖] 下项线
nuchal-type fibroma 项型纤维瘤
nuchal fascia [解剖] 项筋膜
nuchal plane [解剖] 项平面
The superior nuchal line is not always a reliable external anatomical mark.
上项线不是一个可靠的浅表解剖学标志。
Objective: To evaluate effect of nuchal cord on the delivery pattern.
目的：探讨脐带绕颈在评估分娩方式中的价值。
Objective To find suitable critical value of fetal nuchal translucency (NT) by ultrasonic testing.
目的通过超声检查寻找合适的胎儿颈项皮肤厚度（NT）临界值。
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