| 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: | specification of symmetry |
|---|---|
| Synonyms: | determination of symmetry |
| Definition: | The establishment of an organism's body plan or part of an organism such that a similar arrangement in form and relationship of parts around a common axis, or around each side of a plane is created. |
| Ontology: | GO: Biological Process [GO:0009799] QuickGO AmiGO |