| Name: | fertilized egg | 
|---|---|
| Synonyms: | zygote | 
| Definition: | Diploid cell produced by the fusion of sperm cell nucleus and egg cell. | 
| Ontology: | Anatomy Ontology [ZFA:0005772] | 
| Name: | egg chorion | 
|---|---|
| Synonyms: | |
| Definition: | A protective, noncellular membrane that surrounds the eggs of various animals including insects and fish. | 
| Ontology: | GO: Cellular Component [GO:0042600] QuickGO AmiGO |