| Name: | extension |
|---|---|
| Synonyms: | yolk extension |
| Definition: | The posterior elongated region of the yolk cell that forms during the segmentation period. |
| Ontology: | Anatomy Ontology [ZFA:0000106] |
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |