Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
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| Term | embryonic frontal ganglion | ID (Ontology) | FBbt:00005668 (Fly Anatomy) |
| Definition | A small paired ganglion of the embryonic stomatogastric nervous system attached to the anterior surface of the brain. It consists of approximately 25-30 neurons that form a U-shaped ganglion wedged between the anterior aspect of the brain hemispheres and the dorsal pharynx. The somata of the neurons surround a sparse neuropil domain and are enclosed in a glial sheath. Lateral projections from these neurons form the frontal connective. Medial projections that turn anteriorly on reaching the midline form the frontal nerve. Medial projections that turn posteriorly on reaching the midline form the recurrent nerve.[ FlyBase:FBrf0064803 FlyBase:FBrf0089570 ] | ||
| Comment | The term parapharyngeal ganglion was previously used to designate the embryonic frontal ganglion (Campos-Ortega and Hartenstein, 1997). | ||
| Links to Extrernal Ontologies | |||
| VFB:FBbt_00005668 | |||
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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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presumptive embryonic/larval central nervous system |__embryonic stomatogastric nervous system__ stomatogastric nervous system | |__embryonic stomatogastric nervous system__| |__frontal ganglion_________________________| ganglion | |__frontal ganglion_________________________| embryonic frontal ganglion 22 rec. |
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| Is a | frontal ganglion | ||
| Develops from |
rostral vesicle of iSNSP intermediate vesicle of iSNSP tip stomatogastric nervous system precursor delaminating stomatogastric nervous system precursor frontal ganglion primordium |
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| Part of | embryonic stomatogastric nervous system | ||
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| VFB:FBbt_00005668 | |||