V2EX muscularis externa

Muscularis Externa

释义 Definition(中文)

muscularis externa(外肌层):消化道(如食管、胃、肠道)壁的一层平滑肌组织,通常位于黏膜下层(submucosa)之外、浆膜/外膜(serosa/adventitia)之内;主要负责推动食物前进的蠕动(peristalsis)。常见为内环肌层 + 外纵肌层两层结构(不同部位可有变化)。

发音 Pronunciation(IPA)

/mskjlrs kstrn/

例句 Examples

The muscularis externa helps move food through the intestines.
外肌层帮助推动食物通过肠道。

Inflammation can disrupt the coordinated contractions of the muscularis externa, leading to abnormal peristalsis and pain.
炎症可能破坏外肌层的协调收缩,导致蠕动异常并引发疼痛。

词源 Etymology(中文)

muscularis 源自拉丁语 musculus(“肌肉”)的派生形式,表示“肌肉的/肌层”;externa 源自拉丁语 externus(“外部的”)。合起来字面意思就是“外侧的肌肉层”,为解剖学与组织学中常用的拉丁术语。

相关词 Relaed Words

文学/典籍中的用例 Literary Works(出现较多的权威作品)

  • Gray’s Anatomy(《格雷氏解剖学》)
  • Junqueira’s Basic Histology(《Junqueira 基础组织学》)
  • Robbins and Cotran Pathologic Basis of Disease(《Robbins & Cotran 疾病的病理学基础》)
  • Wheater’s Functional Histology(《Wheater 功能组织学》)
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