V2EX calcidiol

Calcidiol

定义 Definition

Calcidiol(骨化二醇)是维生素D在体内的重要代谢产物,主要指 25-羟基维生素D(25-hydroxyvitamin D, 25(OH)D)。它主要在肝脏由维生素D(胆钙化醇)转化而来,是临床上评估人体维生素D营养状态最常用的血液指标之一。(维生素D还有其他代谢形式,如 calcitriol 等。)

发音 Pronunciation (IPA)

/kl.sda.l/

例句 Examples

The doctor ordered a calcidiol test to check my vitamin D level.
医生开了骨化二醇(25-羟基维生素D)检测来查看我的维生素D水平。

Because calcidiol reflects vitamin D stores better than the active hormone, it is widely used in screening for deficiency in clinical practice.
由于骨化二醇比活性激素更能反映体内维生素D储备,它被广泛用于临床筛查维生素D缺乏。

词源 Etymology

词形由 **calci-**(与钙/钙化相关的构词成分)和 -diol(“二醇”,指含有两个羟基的化合物命名方式)组合而来。该词在医学语境中通常对应 25-羟基胆钙化醇,强调其作为维生素D代谢途径中的一个化学形态与检测指标。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Harrison’s Principles of Internal Medicine(《哈里森内科学》:在维生素D缺乏、骨代谢与检验指标章节常讨论 25(OH)D/calcidiol)
  • Williams Textbook of Endocrinology(《威廉姆斯内分泌学》:介绍维生素D代谢途径与 calcidiol、calcitriol 的生理作用)
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼与吉尔曼:治疗学的药理学基础》:涉及维生素D相关药物与代谢指标时会出现该术语)
  • The New England Journal of Medicine (NEJM) 维生素D相关综述/研究论文(常以 25-hydroxyvitamin D/calcidiol 作为核心检测指标出现)
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