| Name: | secondary neural tube formation |
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| Synonyms: | medullary cord biosynthesis, medullary cord formation, medullary rod cavitation, neural rod formation, secondary neural tube rod cavitation, secondary neurulation |
| Definition: | The formation of the neural tube by coalescence of mesenchymal cells followed by their conversion to epithelial cells to form a solid cord that subsequently hollows out (cavitates) to create a hollow tube. Secondary neurulation is the typical mechanism of formation of the neural tube posterior to the posterior neuropore in mammals. |
| Ontology: | GO: Biological Process [GO:0014021] QuickGO AmiGO |
| Name: | decreased process quality |
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| Synonyms: | |
| Definition: | A quality of a process that has a value that is decreased compared to normal or average. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002302] |