| Term: | floor plate ciliary transition zone |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| 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] |
| Name: | ciliary transition zone |
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| Synonyms: | cilial transition zone, cilium transition zone, connecting cilium |
| Definition: | A region of the cilium between the basal body and proximal segment that is characterized by Y-shaped assemblages that connect axonemal microtubules to the ciliary membrane. The ciliary transition zone appears to function as a gate that controls ciliary membrane composition and separates the cytosol from the ciliary plasm. |
| Ontology: | GO: Cellular Component [GO:0035869] QuickGO AmiGO |