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19,799 results for “STEM”
Tuning apicobasal polarity and junctional recycling in the hemogenic endothelium orchestrates the morphodynamic complexity of emerging pre-hematopoietic stem cells —Source data 1 relative to Figure 3
<p><span>Raw image files (TIFF format) relative <strong>to Figure 3</strong> (see <strong>Materials and Methods — Dt-runx1 phenotype analysis – cell count</strong>).</span></p> <p><span>The source data comprises for each 52 - 55 hpf zebrafish embryo 3 z-stack (segments 1 to 3) encompassing the whole length of the aorta, for control condition (<em>Tg(Kdrl:Gal4;UAS:RFP), </em>n = 3 individuals) and mutant condition (<em>Tg(kdrl:Gal4;UAS:RFP;4xNR:dt-runx1-eGFP), </em>n = 7 individuals). For control condition, one fluorescence channel was acquired, corresponding to the cytoplasmic RFP expressed in endothelial cells. For mutant condition, two fluorescence channels were acquired, corresponding first to the cytoplasmic RFP expressed in endothelial cells using the same reporter as for the control condition, and second the cleaved cytoplasmic GFP reporting the expression of our dt-runx1 mutant construct in endothelial cells. Z-stack were acquired using a confocal spinning disk microscope. Voxel size: x: 0.1635, y: 0.1635, z:0.3 µm.</span></p>
Tuning apicobasal polarity and junctional recycling in the hemogenic endothelium orchestrates the morphodynamic complexity of emerging pre-hematopoietic stem cells —Source data 2 relative to Figure 4
<p><span>Raw image files (TIFF format) and segmented 3D images (.ims, Imaris proprietary files) relative to <strong>Figure 4</strong> and <strong>Figure 4 Figure Supplement 3</strong> (see <strong>Materials and Methods — RNAscope image analysis – Pard3</strong>).</span></p> <p><span>The source data comprises for each 52 - 55 hpf zebrafish embryos 2 z-stack (segments 1 to 2) encompassing the whole length of the aorta, for control condition (<em>Tg(Kdrl:eGFP), </em>n = 7 individuals) and mutant condition (<em>Tg(kdrl:Gal4; 4xNR:dt-runx1-eGFP), </em>n = 12 individuals). For both control and mutant conditions, two fluorescence channels are displayed, corresponding to the cytoplasmic GFP expressed in endothelial cells (in green) and the RNAscope signal (OPAL-570, in magenta). Z-stack were acquired using a confocal spinning disk microscope. Voxel size: x: 0.1635, y: 0.1635, z:0.4 µm. The .ims files contain the 3D rendering of the z-stacks as well as the segmentations of Pard3ba mRNA RNAscope spots (in magenta), in the aorta (Spots 1 Selection) or outside (Spots 1), as well as the segmentation of endothelial cells (green) (Cells 1) and hemogenic endothelial cells (Cells 1 Cell export).</span></p>
Fig. 4 in Revision of the enigmatic insect family Anthracoptilidae enlightens the evolution of Palaeozoic stem-dictyopterans
Fig. 4. Forewing of anthracoptilid insect Mesoptilus carpenteri sp. nov. from Artinskian of Elmo, Oklahoma, USA, holotype MCZ 11253, photograph (A), line drawing (B).
Fig. 7 in Revision of the enigmatic insect family Anthracoptilidae enlightens the evolution of Palaeozoic stem-dictyopterans
Fig. 7. Anthracoptilid insect Westphaloptilus gallicus sp. nov. from Bashkirian of Bruay-en-Artois, Department of North, France, holotype Bruay F.5 BR27–28, photograph of imprint (A), photograph of counterimprint (B). 1A, first anal vein; CuA/P, cubitus anterior/posterior; M, indistinguishable polarity of median vein; RA/P, radius anterior/posterior; ScA/P, subcosta anterior/posterior.
Fig. 1 in A relict stem salamander: evidence from the Early Cretaceous of Siberia
Fig. 1. Fragmentary trunk vertebral centrum (LMCCE 1/4) of stem salamander Caudata, gen. et sp. indet. from the Shestakovo locality, Lower Cretaceous Aptian–Albian), Ilek Formation, Western Siberia, Russia; in right lateral (A), left lateral (B), ventral (C, anterior towards top), posterior (D), anterior (E), and dorsal (F, anterior towards top) views. Photographs (A1–C1, D–F) and interpretive drawings (A2–C2).
Fig. 2 in Revision of the enigmatic insect family Anthracoptilidae enlightens the evolution of Palaeozoic stem-dictyopterans
Fig. 2. Forewing of anthracoptilid insect Strephocladus permianus sp. nov. from Guadalupian of Lodève Basin, France, holotype Ld LAP 310A, B, photographs of imprint and couterimprint (A, B), line drawing (C).
Fig. 2 in A relict stem salamander: evidence from the Early Cretaceous of Siberia
Fig. 2. Simplified relationships and temporal ranges of stem- and crowngroup salamanders. Stem salamanders are represented only by Karauridae (i.e., Kokartus + Karaurus). A, stratigraphic placement (Bathonian) of the stem salamander Kokartus (note that the stem salamanders Marmorerpeton, "Kirtlington salamander A", Urupia, and "Berezovsk salamander A" have the same stratigraphic placements). B, stratigraphic placement (Kimmeridgian) of Karaurus (note that salamanders "cf. Marmorerpeton" from Portugal and the possible "stem salamander" from the USA have approximately the same stratigraphic placements). C, stratigraphic placement (Aptian–Albian) of the stem salamander Caudata, Gen. et sp. indet. reported here from the Shestakovo locality and possible stem salamanders from the Cloverly Formation of USA.
Fig. 3 in Revision of the enigmatic insect family Anthracoptilidae enlightens the evolution of Palaeozoic stem-dictyopterans
Fig. 3. Forewing of anthracoptilid insect Mesoptilus dolloi (Lameere, 1917) from Stephanian of Commentry Basin, France, holotype R51159, photograph A), line drawing (B).
Fig. 9 in Revision of the enigmatic insect family Anthracoptilidae enlightens the evolution of Palaeozoic stem-dictyopterans
Fig. 9. Blaberid blattoid Pilema thoracica (Walker, 1868) Recent, specimen MNHN, Paris coll., Steynsburg, South Africa, R. Ellenberger leg, habitus (A), forewing basal part (B) with marked c.f., claval furrow; CuA/P, cubitus anterior/posterior.
Fig. 1 in Revision of the enigmatic insect family Anthracoptilidae enlightens the evolution of Palaeozoic stem-dictyopterans
Fig. 1. Forewing of anthracoptilid insect Anthracoptilus perrieri (Meunier, 1909) from Stephanian of Commentry Basin, France, holotype R51112, photograph (A), line drawing (B).
Fig. 8 in Revision of the enigmatic insect family Anthracoptilidae enlightens the evolution of Palaeozoic stem-dictyopterans
Fig. 8. Position of claval furrow on forewing (marked by arrows). A. Homocladus grandis Carpenter, 1966 from Artinskian of Elmo, Kansas, USA, paratype MCZ 5875. B. Paracladus retardus Carpenter, 1966 from Artinskian of Elmo, Kansas, USA, holotype MCZ 5877. CuA/P, cubitus anterior/posterior.
Fig. 6 in Revision of the enigmatic insect family Anthracoptilidae enlightens the evolution of Palaeozoic stem-dictyopterans
Fig. 6. Forewing of anthracoptilid insect Westphaloptilus gallicus sp. nov. from Westphalian of Bruay-en-Artois, Department of North, France, holotype Bruay F.5 BR27–28.
Fig. 5 in Revision of the enigmatic insect family Anthracoptilidae enlightens the evolution of Palaeozoic stem-dictyopterans
Fig. 5. Forewing of anthracoptilid insect Pseudomesoptilus sellardsi (Lameere, 1917) comb. nov. from Stephanian of Commentry Basin, France, holotype R51350, photograph (A), line drawing (B).
Hydrastis canadensis (Ranunculaceae) - leaf - basal or on lower stem
Image of Hydrastis canadensis (Ranunculaceae) - leaf - basal or on lower stem
Carex muehlenbergii (Cyperaceae) - stem - showing leaf bases
Image of Carex muehlenbergii (Cyperaceae) - stem - showing leaf bases
Carex muehlenbergii (Cyperaceae) - leaf - basal or on lower stem
Image of Carex muehlenbergii (Cyperaceae) - leaf - basal or on lower stem
Melica mutica (Poaceae) - stem - showing leaf bases
Image of Melica mutica (Poaceae) - stem - showing leaf bases
Dactylis glomerata (Poaceae) - leaf - on upper stem
Image of Dactylis glomerata (Poaceae) - leaf - on upper stem
Blephilia ciliata (Lamiaceae) - stem - showing leaf bases
Image of Blephilia ciliata (Lamiaceae) - stem - showing leaf bases
Clinopodium glabellum (Lamiaceae) - stem - showing leaf bases
Image of Clinopodium glabellum (Lamiaceae) - stem - showing leaf bases
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.