肺泡巨噬細胞(英語:Alveolar macrophage),是存在於肺間質的特殊巨噬細胞,由遷移到肺的吞噬細胞發育而成,屬於單核吞噬細胞系統的一部份。可參與吞噬和清除外來的塵粒或病原並進行抗原呈現,也可吞噬衰老的紅血球與清除由第二型肺泡細胞分泌的表面張力素[1]。吞噬完外来尘粒或病原的肺泡巨噬细胞则通称为塵細胞(Dust Cell)。尘细胞吞噬的异物、病原體会在溶酶体的作用下而分解[2]。
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.