Surfactant-like lamellar bodies were found in ciliated cells,nonciliated cells and secretory cells of the eustachian tube mucosa.

• 表面活性物质样板层体可见于咽鼓管粘膜的纤毛细胞、无纤毛细胞和各种分泌细胞，可能是表面活性物质的前体，对维持咽鼓管的正常生理功能有一定关系。