V2EX sagittal

Sagittal

定义 Definition

sagittal(矢状的):指解剖学中与矢状面有关的方向或平面;矢状面将身体分为左、右两部分(若正好分成相等两半,常称为正中矢状面 midsagittal/median plane)。该词也可更广义地表示“像箭一样的/与箭有关的”(较少见)。

发音 Pronunciation (IPA)

/sd..tl/

例句 Examples

The MRI shows a sagittal view of the brain.
核磁共振显示了大脑的矢状位图像。

In sagittal section, the nasal cavity can be seen extending from the nostrils to the pharynx, revealing the relationships among adjacent structures.
在矢状切面中,可以看到鼻腔从鼻孔延伸到咽部,从而清楚呈现相邻结构之间的关系。

词源 Etymology

来自拉丁语 sagitta(“箭”)+ 形容词后缀 -al(“……的”)。之所以用“箭”的意象,是因为矢状面的方向可理解为沿着身体前后方向的“箭轨迹”来切分人体,从而形成“矢状”的解剖学术语。

相关词 Related Words

文学与经典著作 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》)常用于描述矢状面/矢状切面下的人体结构。
  • Netter’s Atlas of Human Anatomy(《奈特人体解剖图谱》)大量“sagittal view/section”的图示与标注。
  • Principles of Neural Science(《神经科学原理》)在神经解剖与影像学语境中频繁使用“sagittal”。
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