noun (plural setae /-tē/)chiefly Zoology
- 1A stiff hairlike or bristlelike structure, especially in an invertebrate.More example sentences
- 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.More example sentences
- 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.
- More 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.
late 18th century: from Latin, 'bristle'.
More definitions of setaDefinition of seta in:
- The British & World English dictionary