1·A filamentous projection or bristle similar to a hair such as a seta of an arthropod or an epidermal process of a plant.
茸毛与毛发相似的细丝状突出物或刺毛，比如节肢动物的刚毛，或植物表面细胞的生成。
2·The micro-morphology of log-cultivated Phellinus igniarius, hymenium , basidiospore, conical seta and the discrete structure of mycelia were observed under scanning electron microscope.
采用扫描电子显微镜观察人工栽培桑黄子实体的显微形态及其结构，如菌管、子实层、担孢子、锥形刚毛及离散菌丝结构等。
3·But the gecko is not the case, its minister of each foot with a few very fine setae 1 million, while the end of each seta has about 400 to 1000 more thin branches.
但壁虎就不一样了，它的每只脚底部长着数百万根极细的刚毛，而每根刚毛末端又有约400根至1000根更细的分支。