V2EX phenylketonuria

Phenylketonuria

释义 Definition

苯丙酮尿症(PKU):一种常见的遗传性代谢病,通常因苯丙氨酸羟化酶(PAH)缺陷导致体内苯丙氨酸无法正常代谢,进而在血液中升高;若不及早通过新生儿筛查发现并进行饮食控制,可能影响神经系统发育。*(该词在医学语境中也可指“苯丙酮尿症患者/病例”。)*

发音 Pronunciation (IPA)

/finalkitnjri/

例句 Examples

Newborns are routinely screened for phenylketonuria.
新生儿通常会接受苯丙酮尿症筛查。

Without treatment, phenylketonuria can lead to irreversible cognitive impairment, but early dietary management greatly reduces the risk.
如果不治疗,苯丙酮尿症可能导致不可逆的认知损伤,但早期的饮食管理能大幅降低风险。

词源 Etymology

phenyl- 表示“苯基/与苯相关的”(源自希腊语 phaino “显现/发光”,后用于化学命名),keto- 指“酮(基)”,**-uria** 表示“尿/尿中物质”这一医学后缀(源自希腊语 ouron “尿”)。整体字面意思接近“尿中出现与苯基相关的酮类物质”,反映了早期对该病的学检测特征与命名方式。

相关词 Related Words

文学与作品 Literary & Notable Works

  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯科特兰病理学》)
  • The Metabolic and Molecular Bases of Inherited Disease(经典遗传代谢病参考书,常简称 MMBI
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
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