| Name: | neural rod |
|---|---|
| Synonyms: | presumptive central nervous system |
| Definition: | An intermediate stage in the development of the central nervous system present during the segmentation period; the neural rod is roughly cylindrical in shape, forms from the neural keel, and is not yet hollowed out into the neural tube. |
| Ontology: | Anatomy Ontology [ZFA:0000133] |
| Name: | anterior/posterior pattern specification |
|---|---|
| Synonyms: | anterior/posterior pattern formation |
| Definition: | The regionalization process in which specific areas of cell differentiation are determined along the anterior-posterior axis. The anterior-posterior axis is defined by a line that runs from the head or mouth of an organism to the tail or opposite end of the organism. |
| Ontology: | GO: Biological Process [GO:0009952] QuickGO AmiGO |