Lining at the air-liquid interface, pulmonary surfactant is a complex mixture of 90% lipids and 10% proteins. The major phospholipid (75%) is dipalmitoylphosphatidylcholine (DPPC) .
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- 位于肺的液氣交界面的肺泡表面活性物質(zhì)由大約90%25的脂質(zhì)和10%25的蛋白質(zhì)組成，脂質(zhì)中90%25為磷脂，主要(75%25)是二棕櫚酰磷脂酰膽堿(dipalmitoylphosphatidylcholine，DPPC)使得肺泡呼氣末表面張力較小。
