The processes of theaerosomc formed from the Golgi complex, of the middle piece formed from the distal centriole and mitochondria and of the tail filament nt formed from the end of distal centriole were explored.

• 探讨了由高尔基体形成顶体、由远端中心粒和线粒体形成中段、由远端中心粒的未端形成尾丝的过程。