| Name: | spinal cord neural tube | 
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| Synonyms: | |
| Definition: | Portion of the posterior neural tube that gives rise to the spinal cord. | 
| Ontology: | Anatomy Ontology [ZFA:0007042] | 
| Name: | floor plate | 
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| Synonyms: | floorplate, fp | 
| Definition: | Multi-tissue structure that is the ventral-most aspect of the developing neural tube. The floor plate is a specialized glial structure with secretory function that spans the rostral-caudal axis from the midbrain to the tail regions. The floor plate is one of first structures that differentiate in the developing nervous system. | 
| Ontology: | Anatomy Ontology [ZFA:0000022] |