Nodule 185620 139424113 2007-06-20T13:21:44Z Closedmouth 372693 Revert to the revision prior to revision 138951721 dated 2007-06-18 10:54:08 by 211.28.217.67 using [[:en:Wikipedia:Tools/Navigation_popups|popups]] A '''nodule''' describes an aggregation of similar cells or particles in a number of scientific fields: *[[Nodule (geology)]], a small knobbly rock or [[mineral]] cluster, such as a [[manganese nodule]] *[[Nodule (medicine)]], a small aggregation of [[cell (biology)|cell]]s *[[Root nodule]], an outgrowth formed on the roots of [[legume]]s that house [[symbiotic]] bacteria that [[nitrogen fixation|fix atmospheric nitrogen]] and provide it to the plant in exchange for carbon {{disambig}} [[es:NĂ³dulo]] [[fr:Nodule]]