MeSH definition : Knobbed structures formed from and attached to plant roots, especially of LEGUMES,
which result from symbiotic infection by nitrogen fixing bacteria such as RHIZOBIUM
or FRANKIA. Root nodules are structures related to MYCORRHIZAE formed by symbiotic
associations with fungi.;
Knobbed structures formed from and attached to plant roots, especially of LEGUMES,
which result from symbiotic infection by nitrogen fixing bacteria such as RHIZOBIUM
or FRANKIA. Root nodules are structures related to MYCORRHIZAE formed by symbiotic
associations with fungi.