mur (1) tissu (corporel) (1) synergie (1) spectacle (1) racine (1) nutriment (1) azote (1) ion (1) ammonium (1) affectation (1) cation (1) Arabidopsis (1) Walls (1) Transportation (1) Plants (1) Nitrogen (1) Genetic regulation (1) Cardiovascular system (1) Blood-vessels (1) Biological transport (1) Ammonium (1) Space (1) Roots (1) transport (1)