V2EX steroid hormone

Steroid Hormone

定义 Definition

类固醇激素:一类由胆固醇衍生、脂溶性的激素,常由肾上腺、性腺等分泌,能穿过细胞膜并与细胞内受体结合,从而调控基因表达与生理功能(如代谢、应激反应、生殖等)。常见例子包括皮质醇、睾酮、雌激素、孕激素等。

发音 Pronunciation (IPA)

/strd hrmon/

例句 Examples

Steroid hormones help regulate stress and metabolism.
类固醇激素有助于调节压力反应和代谢。

Because steroid hormones are lipid-soluble, they can enter cells and influence gene expression by binding to intracellular receptors.
由于类固醇激素是脂溶性的,它们可以进入细胞,并通过与细胞内受体结合来影响基因表达。

词源 Etymology

steroid 源自 “sterol(固醇)” 加上表示“……样/相关”的词缀 -oid,意为“类似固醇的物质”;hormone 源自希腊语 horman(“激起、促动”),指能在体内传递信号、引发生理变化的化学物质。合起来 steroid hormone 指“结构与固醇相关、具有激素作用的一类分子”。

相关词 Related Word

文学与作品 Literary Works

  • 《Campbell Biology(坎贝尔生物学)》:在细胞信号传导与内分泌系统章节中讨论类固醇激素的作用机制。
  • 《Molecular Biology of the Cell(细胞的分子生物学)》Alberts 等:涉及类固醇激素受体作为转录调控因子的内容。
  • 《Lehninger Principles of Biochemistry(雷宁格生物化学原理)》:在脂类与激素相关章节中介绍类固醇激素的生物合成与功能。
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