| Name: | extraembryonic structure |
|---|---|
| Synonyms: | extraembryonic structures |
| Definition: | Anatomical structure that is contiguous with the embryo and is comprised of portions of tissue or cells that will not contribute to the embryo. |
| Ontology: | Anatomy Ontology [ZFA:0000020] |
| Name: | anatomical region |
|---|---|
| Synonyms: | |
| Definition: | A 3D region in space without well-defined compartmental boundaries; for example, the dorsal region of an ectoderm. |
| Ontology: | Spatial Ontology [BSPO:0000070] |