In lucerne and clover, the bacteria are at first enclosed in infection threads, and it can be seen in young nodules that the ... bacterial secretions upon root-hair growth.

This image depicts root nodules. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any ...

Specialised plant cells include root hair cells, palisade cells, xylem cells and phloem cells. Just like animals, plants are made of tiny little cells. Like animal cells, basic plant cells have a ...