Definition of seta in English:
noun (plural setae /-tiː/)chiefly Zoology
1A 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.
late 18th century: from Latin, 'bristle'.
- Example sentences
- 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.
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