CONCEPT GÉNÉRIQUE
CONCEPTS ASSOCIÉS
NOTE D'APPLICATION
- Elements combined in minute quantities in plant or animal tissues considered essential in physiological processes.
TRADUCTIONS
arabe
عناصر زهيدة
عناصر نادرة
عناصر اثارية
عناصر شحيحة
نزائر
espagnol
français
russe
URI
http://vocabularies.unesco.org/thesaurus/concept3948