chaeta

• 环节动物（如蚯蚓）体表的一种刚硬几丁质刚毛或毛状结构，用于运动或感觉。

A stiff chitinous bristle or seta, typically found on annelid worms, used for locomotion or sensation.

1. Bristle of an annelidC2formalscientific

   A stiff, chitinous bristle or seta, especially found on annelid worms, used for locomotion or sensation.

   环节动物刚毛

   • The earthworm uses its chaetae to anchor itself in the soil.
   • Under the microscope, the chaetae of the polychaete worm were clearly visible.
   • Each segment of the annelid typically bears a pair of chaetae.

   同义词seta