V2EX basal lamina

Basal lamina

定义 Definition

基底板:位于上皮细胞或某些细胞(如肌细胞、施旺细胞)下方的一层薄的细胞外基质(ECM)结构,是基底膜(basement membrane)的重要组成部分,起到支持、分隔、过滤与信号调控等作用。(在一些语境中也常被用来泛指基底膜的一部分或核心层。)

发音 Pronunciation

/besl lmn/

例句 Examples

The basal lamina supports the epithelial cells.
基底板支撑上皮细胞。

During wound healing, cells migrate along the basal lamina while the extracellular matrix is remodeled.
在伤口愈合过程中,细胞会沿着基底板迁移,同时细胞外基质被重塑。

词源 Etymology

basal 来自 base(“底部、基础”),表示“基底的”。lamina 源自拉丁语 lamina(“薄层、薄片”)。合起来字面意思就是“底部的薄层”,贴合其在组织结构中位于细胞下方、呈薄层状的特点。

相关词 Related Words

文学与著作 Notable Works

  • Molecular Biology of the Cell(Alberts 等)在细胞外基质与基底膜相关章节中讨论 basal lamina 的结构与功能。
  • Histology: A Text and Atlas(Ross & Pawlina)在组织学中用 basal lamina 解释上皮与结缔组织的界面与超微结构。
  • Junqueira’s Basic Histology(Mescher)在基底膜/基底板的组成、染色与功能部分常出现该术语。
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