embryonic stage 4 [FBdv_00005306]
Nuclear division 10-13. Polar buds divide twice and become tightly grouped at the posterior pole by the end of this stage. Nuclei visible at the rim of the embryo. Stage 4 ends with the beginning of cellularization. Duration at 25 degrees C: approximately 50 minutes (80-130 minutes after egg laying). Temporal ordering number - 170.
Note
This page displays the raw VFB json record for this term. Please use the link below to open the term inside the Virtual Fly Brain viewerVFB Term Json
{
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"description": [
"Nuclear division 10-13. Polar buds divide twice and become tightly grouped at the posterior pole by the end of this stage. Nuclei visible at the rim of the embryo. Stage 4 ends with the beginning of cellularization. Duration at 25 degrees C: approximately 50 minutes (80-130 minutes after egg laying)."
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"comment": [
"Temporal ordering number - 170."
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"version": "44725ae",
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"short_form": "FBdv_00005259",
"label": "developmental stage"
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"object": {
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"iri": "http://purl.obolibrary.org/obo/FBdv_00005302",
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"short_form": "FBdv_00005302",
"label": "embryonic cycle 9"
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"iri": "http://purl.obolibrary.org/obo/FBdv_00005290",
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"short_form": "FBdv_00005290",
"label": "pre-blastoderm stage"
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"iri": "http://purl.obolibrary.org/obo/FBdv_00005301",
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"short_form": "FBdv_00005301",
"label": "embryonic stage 3"
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},
{
"relation": {
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"anatomy_channel_image": [],
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"iri": "http://flybase.org/reports/Unattributed",
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"def_pubs": [
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"short_form": "FBrf0089570",
"label": "Campos-Ortega and Hartenstein, 1997, The embryonic development of Drosophila melanogaster. 2nd ed. "
},
"FlyBase": "",
"PubMed": "",
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}
]
}
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