V2EX choroid

Choroid

Definition / 释义

脉络膜:眼球壁中位于巩膜视网膜之间的一层富含血管和色素的组织,主要作用是为视网膜供血供氧、吸收多余散射光,并参与眼内温度与代谢调节。(该词在医学语境中最常见;其他含义较少见。)

Pronunciation / 发音

/krd/

Examples / 例句

The doctor examined the choroid for signs of inflammation.
医生检查了脉络膜是否有炎症迹象。

Damage to the choroid can reduce blood supply to the retina, leading to vision problems.
脉络膜受损会减少对视网膜的血液供应,从而引发视力问题。

Etymology / 词源

来自希腊语 khorioeidēs,意为“像膜/皮革一样的”(由 khórion“膜、皮” + -eides“……状的”构成)。后经拉丁语进入英语,用来指眼内那层“膜状、富血管”的组织。

Related Words / 相关词

Notable Works / 文学与著作例证

  • Gray’s Anatomy(《格雷氏解剖学》):在眼的解剖章节中系统描述脉络膜结构与分层。
  • Adler’s Physiology of the Eye(《阿德勒眼生理学》):讨论脉络膜血流与视网膜代谢的关系。
  • Clinical Ophthalmology by Jack J. Kanski(《临床眼科学》):在临床章节中涉及脉络膜炎、脉络膜新生血管等疾病用语。
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