1. This increased self-palpation may stimulate the release of epithelial cells into the circulation. 这种加强的自我触诊会刺激上皮细胞向循环系统的释放。
2. Furthermore, many epithelial cells of the mucous membranes contain cilia that actively remove microorganisms. 而且一些粘膜表面的上皮细胞含有纤毛能除去微生物。
3. The conversion of squamous epithelial cells into a keratinized, horny material, such as hair, nails, or feathers. 角质化鳞状的''。'上'。''''。'皮'。''组织转化为角质化,角质样的物质,例如毛发、''。'指甲'。''或羽毛。