seta
/ˈsiːtə/noun
(pl. setae /ˈsiːtiː/)
1- chiefly Zoology a stiff hair-like or bristle-like structure, especially in an invertebrate【主动】（尤指无脊椎动物的）刺毛, 刚毛。
1.1
- Botany (in a moss or liverwort) the stalk supporting the capsule【植】（苔藓或地钱中支撑蒴果的）蒴柄。
派生词
setaceous
/sɪˈteɪʃəs/ adjectivesetal
adjective词源
late 18th cent.: from Latin, 'bristle'.