V2EX perineurium

Perineurium

定义 Definition

perineurium(神经束膜):周围神经中包裹神经束(fascicle)的一层致密结缔组织膜,位于神经内膜(endoneurium)之外、神经外膜(epineurium)之内;具有支持与保护作用,并参与形成血-神经屏障(blood-nerve barrier)的一部分。

发音 Pronunciation (IPA)

/prnjrim/

例句 Examples

The perineurium surrounds each nerve fascicle.
神经束膜包绕着每一束神经纤维。

Damage to the perineurium can disrupt the blood-nerve barrier and contribute to neuropathy.
神经束膜受损可能破坏血-神经屏障,并促发周围神经病变。

词源 Etymology

来自**peri-**(希腊语词根,意为“在……周围”)+ neur-(源自希腊语 neuron,意为“神经”)+ -ium(名词后缀,常用于表示结构/组织)。字面意思即“围绕神经的组织”,在解剖学中专指包绕神经束的那一层膜。

相关词 Related Words

文学与著作 Literary Works

  • Gray’s Anatomy(《格雷解剖学》):在周围神经的结缔组织分层中描述 perineurium
  • Junqueira’s Basic Histology(《Junqueira 基础组织学》):在神经组织章节讲解神经束膜的结构与功能。
  • Robbins and Cotran Pathologic Basis of Disease(《Robbins & Cotran 病理学基础》):在周围神经病变与神经损伤相关内容中提及 perineurium 与屏障功能。
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