V2EX arachnoid

Arachnoid

定义 Definition

arachnoid(形容词/名词)主要指“蛛网膜的;蛛网膜”:解剖学中包围脑和脊髓的三层脑膜之一,位于硬脑膜(dura mater)与软脑膜(pia mater)之间。也可泛指“蛛网状的、像蜘蛛网的”(较少见,用于形容外观或结构)。

发音 Pronunciation (IPA)

/rk.nd/

例句 Examples

The arachnoid is one of the meninges around the brain.
蛛网膜是包围大脑的脑膜之一。

After the injury, doctors suspected bleeding in the subarachnoid space beneath the arachnoid membrane.
受伤后,医生怀疑蛛网膜下腔(位于蛛网膜之下)出现出血。

词源 Etymology

来自希腊语 aráchnē(蜘蛛)+ -oid(“……状的、类似……的”)。字面意思是“像蜘蛛网一样的”,用来形容这层薄膜呈细密网状的外观,因此在解剖学中称为“蛛网膜(arachnoid membrane)”。

相关词 Related Words

文学与著作中的用例 Notable Works

  • 《Gray’s Anatomy》(《格雷氏解剖学》):在脑膜结构与蛛网膜下腔的章节中频繁出现 arachnoid
  • 《Principles of Neural Science》(《神经科学原理》):涉及脑脊液循环、脑膜与蛛网膜下空间时使用 arachnoid
  • 《Campbell’s Operative Orthopaedics》(《坎贝尔骨科手术学》):在脊柱与脊髓相关手术解剖部分提到蛛网膜与硬膜囊等结构。
  • 《Greenberg’s Handbook of Neurosurgery》(《格林伯格神经外科手册》):关于蛛网膜下腔出血(subarachnoid hemorrhage)等内容中常见该词。
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