Welcome to biology-online.org! Please login to access all site features. Create account.
Log me on automatically each visit
| Page history
| Printable version
structure found at the centre of a bordered pit, especially in conifers, forming a thickened region of the pit membrane. When subjected to a pressure gradient, it seals the pit by pressing against the pit border.
Please contribute to this project, if you have more information about this term feel free to edit this page
This page was last modified 21:16, 3 October 2005. This page has been accessed 2,366 times. What links here
| Related changes
| Permanent link
© Biology-Online.org. All Rights Reserved.
Register | Login
| About Us | Contact Us | Link to Us | Disclaimer & Privacy