The main stem of an inflorescence or a pinnate leaf. The series of vertebrae forming the axis of the skeleton and protecting the spinal cord; the fall broke his back.

Retrieved from "http://www.biology-online.org/bodict/index.php?title=Rachis&oldid=19206"
First | Previous (Rachipagus) | Next (Rachischisis) | Last
Please contribute to this project, if you have more information about this term feel free to edit this page.