| Name: | oocyte | 
|---|---|
| Synonyms: | egg | 
| Definition: | A female germ cell that has entered meiosis. | 
| Ontology: | Anatomy Ontology [ZFA:0001109] | 
| Name: | sphingoid 1-phosphate | 
|---|---|
| Synonyms: | |
| Definition: | A generic class of phosphosphingolipids, encompassing monophosphorylated derivatives of sphinganine, its homologues and stereoisomers, as well as the hydroxy and unsaturated derivatives of these compounds. | 
| Ontology: | ChEBI [CHEBI:77068] ( EBI ) |