V2EX basement membrane

Basement Membrane

Definition 定义

basement membrane(基底膜):位于上皮细胞或内皮细胞与其下方结缔组织之间的一层薄而致密的细胞外基质结构,主要起到支撑、分隔、过滤、细胞黏附与信号调控等作用。常见于皮肤、肾小球、肺泡等组织。(在一些语境中也会与 basal lamina 相关联,但两者在组织学上有时会有更细的区分。)

Pronunciation 发音(IPA)

/besmnt membren/

Examples 例句

The epithelial cells rest on the basement membrane.
上皮细胞附着并“坐落”在基底膜之上。

In diabetic kidney disease, thickening of the basement membrane can impair filtration and damage tissue function.
在糖尿病肾病中,基底膜增厚会影响过滤功能,并损害组织功能。

Etymology 词源

basement 原意为“底部、地基”(来自 base “基础” + 后缀 -ment),用于比喻“位于最下方的支撑层”;membrane 来自拉丁语 membrāna,意为“薄膜、皮膜”。合起来 basement membrane 直观表达“像地基一样的薄膜层”,在现代生物学与病理学中用来指组织界面处的关键支撑与过滤结构。/p>

Related Words 相关词汇

Notable Works 文献与著作中的出现

  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯-科特兰病理学基础》)
  • Junqueira’s Basic Histology: Text & Atlas(《Junqueira 基础组织学》)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Histology: A Text and Atlas(Ross & Pawlina,《组织学:教材与图谱》)
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