| Name: | neural tube |
|---|---|
| Synonyms: | presumptive central nervous system |
| Definition: | Portion of tissue that is the cavity-containing primordium of the central nervous system, developing from the neural rod in the late segmentation period. |
| Ontology: | Anatomy Ontology [ZFA:0001135] |
| Name: | lumen formation, open tracheal system |
|---|---|
| Synonyms: | tracheal lumen formation |
| Definition: | Creation of the central hole of a tube in an open tracheal system through which gases flow. |
| Ontology: | GO: Biological Process [GO:0035149] QuickGO AmiGO |