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Ontology Browser

Parent Terms Term With Siblings Child Terms
chemical entity +     
atom +   
chemical substance +   
A chemical substance is a portion of matter of constant composition, composed of molecular entities of the same type or of different types.
group +   
molecular entity +   
 mineral +   
 mixture +   
 wax +  

Related Synonyms: Chemische Substanz

paths to the root


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.