V2EX utricle

Utricle

Definition / 释义

utricle(名词):小囊;小囊状结构。常用于生物学/解剖学中,指体内或细胞内的小型囊状腔室。常见用法包括:

  • 内耳的椭圆囊(参与平衡感)
  • 植物细胞的“胞液小囊/小液泡”(较旧或特定语境的说法;现代更常用 vacuole

Pronunciation / 发音

/jutrkl/

Examples / 例句

The utricle helps the body sense head position.
椭圆囊帮助身体感知头部的位置。

In the inner ear, the utricle and saccule work together to detect linear acceleration and gravity.
在内耳中,椭圆囊和球囊协同工作,用于感知线性加速度与重力。

Etymology / 词源

来自拉丁语 ūtriculus,意为“小皮囊、小袋子”,是 ūter(“皮囊、容器”)的指小形式。这个词进入科学英语后,常用来命名各种“小囊状的解剖结构”。

Related Words / 相关词

Literary & Notable Works / 文学与经典出处

  • 《Gray’s Anatomy》(《格雷氏解剖学》):在前庭系统(vestibular system)章节中讨论 utricle(椭圆囊) 与平衡功能。
  • 《Campbell Biology》(《坎贝尔生物学》):在感觉系统/内耳结构相关内容中出现 utricle
  • 《Molecular Biology of the Cell》(《细胞的分子生物学》):在细胞结构与膜性细胞器讨论中,可能以“囊状结构”语境出现(更常与 vesicle/vacuole 同场出现)。
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