单词	seta
释义	seta /ˈsiːtə / noun (plural setae /ˈsiːtiː/) 1chiefly Zoology A stiff hair-like or bristle-like structure, especially in an invertebrate.Each feeding leg, split into two branches, carries stiff bristles and feathery setae.... Ice worms propel themselves using setae, extremely small bristles that protrude from the sides of their bodies. Inside their gill chambers are mats and hair-like setae covered in bacteria. 1.1 Botany (In a moss or liverwort) the stalk supporting the capsule.Only the youngest sporophytes with unelongated setae were used.... Similarly, setae may be simple stalks with single spatulate tips, or they may be sparsely or profusely branched. Derivatives setaceous /sɪˈteɪʃəs/ adjective setal adjective ... If this is the case, setal morphology would have a greater effect on force of adhesion than surface chemistry of the seta or substrate. The krill then squirt the seawater sideways through their setal filters, entrapping algae in a feeding pattern much like the baleen whales. The width of the setal tips also varies between taxa. Origin Late 18th century: from Latin, 'bristle'.
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