From peri- + bacteroid.
peribacteroid (not comparable)
- Surrounding a bacteroid or bacterium
2015 October 24, “Phylogeny of Symbiotic Genes and the Symbiotic Properties of Rhizobia Specific to Astragalus glycyphyllos L.”, in PLOS ONE[1], →DOI:The peribacteroid space widened locally and bacteroids' cytoplasm became heterogeneous (Fig 5E ).