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General Information
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| Term |
perineurial glial sheath |
ID (Ontology) |
FBbt:00007089 (Fly Anatomy) |
| Definition |
The outermost cellular layer of the nervous system, probably of mesodermal origin (Hartenstein and Jan, 1992). This layer consists of glial cells, which participate in nutrient uptake and establish a first diffusion barrier (Limmer et al., 2014).[ FlyBase:FBrf0057603 FlyBase:FBrf0058936 FlyBase:FBrf0226917 ] |
| Also Known As |
"apical glial cell" ; "perineural sheath" ; "perineurial sheath" |
| Comment |
Evidence of mesodermal origin comes from the observation that embryos lacking mesoderm lack this cell layer and the overlying neural lamella (Edwards et al., 1993). |
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Links to External Ontologies
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VFB:FBbt_00007089
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Annotations
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Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
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No relevant records available
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Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
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| Full annotation statements | Relevant FlyBase reports |
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| Genes |
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perineurial glial sheath (all annotations which use CV term, excluding "NOT" statements) | 1 |
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Relationships