bacteroid
noun
Meaning
A modified, often enlarged and irregular form of a bacterium that develops within the tissues of a host organism, particularly in the root nodules of leguminous plants.
Examples
- The plant provides carbohydrates to the bacteroid in exchange for nitrogen.
- Microscopic analysis revealed the presence of numerous bacteroids within the nodule cells.
Synonyms: bacterial cell, symbiont, modified bacterium, endosymbiont