V2EX pupillary reflex

Pupillary Reflex

释义 Definition

瞳孔反射:指瞳孔在刺激(最常见为光线变化)下自动收缩或扩大的反应,常用于神经系统与脑干功能的临床检查。常见类型包括瞳孔对光反射(light reflex)与调节反射/集合反射(accommodation reflex)。

发音 Pronunciation

/pjuplri riflks/

例句 Examples

The doctor checked his pupillary reflex with a small flashlight.
医生用一支小手电检查了他的瞳孔反射。

An absent pupillary reflex can indicate damage to the optic nerve or brainstem and requires urgent evaluation.
瞳孔反射消失可能提示视神经或脑干受损,需要紧急评估。

词源 Etymology

pupillary 来自 pupil(瞳孔),而 pupil 源于拉丁语 pupilla,原意与“瞳孔中映出的小人影”有关;reflex 来自拉丁语 reflexus,意为“向后弯回、反射”。合起来即“与瞳孔相关的反射性反应”。

相关词 Related Words

文学与著作 Literary Works

  • Gray’s Anatomy(《格雷解剖学》):在神经与眼部检查相关章节讨论瞳孔与对光反射。
  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》):在神经生理部分讲解瞳孔反射通路与调控机制。
  • Principles of Neural Science(《神经科学原理》):涉及脑干反射与视觉通路时会提及瞳孔对光反射的神经回路。
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