V2EX hypotonic

Hypotonic

释义 Definition

hypotonic(形容词):(尤指溶液)低渗的,即溶质浓度低于另一种溶液(常指低于细胞内液或血浆),水分更容易进入细胞,可能导致细胞膨胀;也可指肌张力低的(医学语境中较常见于 hypotonic muscles)。

发音 Pronunciation (IPA)

/haptnk/

例句 Examples

The nurse gave the patient a hypotonic solution.
护士给病人输注了低渗溶液。

Red blood cells can swell and burst if placed in a strongly hypotonic environment.
如果把红细胞置于强低渗环境中,它们可能会膨胀甚至破裂。

词源 Etymology

来自希腊语构词:hypo- 表示“低于、不足”,tonic 与“张力/紧张度、渗透压”相关(源自希腊语 tonos,意为“拉伸、张力”)。因此 hypotonic 字面含义是“张力/渗透压较低的”,引申为“低渗的”或“肌张力低的”。

相关词 Related Words

文学与经典作品 Literary Works

  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》):讨论体液渗透压、等渗/低渗环境对细胞与组织的影响时常出现 hypotonic
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》):在电解质紊乱、低钠血症与补液治疗相关章节中使用 *hypotonic (fluids/solutions)*。
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯病理学》):在细胞损伤与水肿、渗透压变化的语境中会出现 hypotonic
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