| Name: | brain |
|---|---|
| Synonyms: | brain structure |
| Definition: | Cavitated compound organ which is comprised of gray and white matter and surrounds the cerebral ventricular system. |
| Ontology: | Anatomy Ontology [ZFA:0000008] |
| Name: | polysialic acid |
|---|---|
| Synonyms: | polysialic acids |
| Definition: | Polymers of sialic acid and derivatives. The degree of polymerization is 8 to 200 Sia residues. |
| Ontology: | ChEBI [CHEBI:26206] ( EBI ) |