| Name: | spermatogonium |
|---|---|
| Synonyms: | spermatogonia |
| Definition: | An euploid male germ cell of an early stage of spermatogenesis. |
| Ontology: | Anatomy Ontology [ZFA:0009007] |
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |