| Name: | intestinal bulb primordium |
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| Synonyms: | |
| Definition: | Portion of the intestinal rod that loops to left between 26-30hpf and gives rise to the intestinal bulb and liver and anterior pancreatic primordium. The endoderm at this stage is a compact mass of cells with little to no polarization. |
| Ontology: | Anatomy Ontology [ZFA:0005738] |
| Name: | anatomical region |
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| 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] |