Send us a Message



Submit Data |  Help |  Video Tutorials |  News |  Publications |  Download |  REST API |  Citing RGD |  Contact   

CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:atomic nucleus
go back to main search page
Accession:CHEBI:33252 term browser browse the term
Definition:A nucleus is the positively charged central portion of an atom, excluding the orbital electrons.
Synonyms:exact_synonym: nucleus
 related_synonym: Atomkern;   Kern;   noyau;   noyau atomique;   nuclei;   nucleo;   nucleo atomico;   nucleus atomi



show annotations for term's descendants           Sort by:

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 0
    subatomic particle 0
      nuclear particle 0
        atomic nucleus 0
          alpha-particle + 0
          atom + 0
          helion + 0
          hydron + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                alpha-particle + 0
                atom + 0
                helion + 0
                hydron + 0
paths to the root