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4,683 results for “embryonic”
Fig. 3. Egg fragment 1 in An Embryonic Oviraptorid (Dinosauria: Theropoda) from the Upper Cretaceous of Mongolia
Fig. 3. Egg fragment 1—the main part of the IGM 100/971. Abbreviations are given in appendix 1.
Fig. 10 in An Embryonic Oviraptorid (Dinosauria: Theropoda) from the Upper Cretaceous of Mongolia
Fig. 10. Detail of the pelvis and hind limb of IGM 100/971. Abbreviations are given in appendix 1.
Fig. 5. Egg fragment 1 in An Embryonic Oviraptorid (Dinosauria: Theropoda) from the Upper Cretaceous of Mongolia
Fig. 5. Egg fragment 1 showing the double layer of eggshell caused by postmortem crushing.
Fig. 1. IGM 100 in An Embryonic Oviraptorid (Dinosauria: Theropoda) from the Upper Cretaceous of Mongolia
Fig. 1. IGM 100/971 showing the exterior of the egg.
Data from: Acute embryonic anoxia exposure favours the development of a dominant and aggressive phenotype in adult zebrafish
Eutrophication and climate change are increasing the incidence of severe hypoxia in fish nursery habitats, yet the programming effects of hypoxia on stress responsiveness in later life are poorly understood. In this study, to investigate whether early hypoxia alters the developmental trajectory of the stress response, zebrafish embryos were exposed to 4 h of anoxia at 36 h post-fertilization and reared to adults when the responses to secondary stressors were assessed. While embryonic anoxia did not affect basal cortisol levels or the cortisol response to hypoxia in later life, it had a marked effect on the responses to a social stressor. In dyadic social interactions, adults derived from embryonic anoxia initiated more chases, bit more often, entered fewer freezes and had lower cortisol levels. Adults derived from embryonic anoxia also performed more bites towards their mirror image, had lower gonadal aromatase gene expression and had higher testosterone levels. We conclude that acute embryonic anoxia has long-lasting consequences for the hormonal and behavioural responses to social interactions in zebrafish. Specifically, we demonstrate that acute embryonic anoxia favours the development of a dominant and aggressive phenotype, and that a disruption in sex steroid production may contribute to the programming effects of environmental hypoxia.
Figure 2 in Embryo retention, character optimization, and the origin of the extra-embryonic membranes of the amniotic egg
Figure 2. Distribution of random trees (out of 10,000) versus number of steps required by the distribution of developmental characters. (a) Character 1 (presence or absence of extended embryo retention). The reference tree requires three steps (*) for this character. (b) Character 2 (developmental stage at oviposition, with ordered states). The reference tree requires nine steps (*) for this character. Note that for both characters, many random trees require no more steps than the reference tree, thus implying that there is no phylogenetic signal in these characters.
Figure 13 in Comparative investigation of the late embryogenesis of Leptodora kindtii (Focke, 1844) (Crustacea: Branchiopoda), with notes on types of embryonic development and larvae in Cladocera
Figure 13. Change in length of an embryo of Leptodora kindtii throughout its development in vitro.
Figure 4 in Amblypygi parthenogenesis, embryonic and post-embryonic development: a case study with the Amazonian species Charinus guto Giupponi and Miranda, 2016 (Amblypygi: Charinidae)
Figure 4. Number of individuals of Charinus guto Giupponi and Miranda, 2016 with egg sac per month.
Figure 5 from: Mrak P, Bogataj U, Štrus J, Žnidaršič N (2015) Formation of the hindgut cuticular lining during embryonic development of Porcellio scaber (Crustacea, Isopoda). In: Taiti S, Hornung E, Štrus J, Bouchon D (Eds) Trends in Terrestrial Isopod Biology. ZooKeys 515: 93–109. https://doi.org/10.3897/zookeys.515.9468
Figure 5 - A schematic representation showing the ultrastructural characteristics of the hindgut apical matrices and epithelium during late intramarsupial development and in comparison to the hindgut cuticular lining of adult animals in Porcellio scaber. The axis represents the successive developmental stages and the percentage of embryonic development. The vertical dashed lines indicate the transition from embryonic to larval development and from larval development to adult stage. The thick horizontal lines represent presence of the individual feature in the certain stages. The specific features of the cuticle are indicated by the thin lines.
Figure 4 from: Mrak P, Bogataj U, Štrus J, Žnidaršič N (2015) Formation of the hindgut cuticular lining during embryonic development of Porcellio scaber (Crustacea, Isopoda). In: Taiti S, Hornung E, Štrus J, Bouchon D (Eds) Trends in Terrestrial Isopod Biology. ZooKeys 515: 93–109. https://doi.org/10.3897/zookeys.515.9468
Figure 4 - A, B The gut lumen contents in the early marsupial manca of Porcellio scaber includes homogenous material with evenly distributed bacteria (white →). A higher magnification of the squared area in the image A is shown in the image B Bacteria are rod-shaped, contain electron dense cytoplasm and are surrounded by lucent spaces. C, D Empty gut lumen, observed in the late marsupial manca. The cuticle is in most regions considerably detached from the epithelium (DC). The epithelial cells are ventrally more prismatic and dorsally more isodiametric. A higher magnification of the ventral gut cells in the image D reveals basally accumulated lipid droplets (black →).
Figure 3 from: Mrak P, Bogataj U, Štrus J, Žnidaršič N (2015) Formation of the hindgut cuticular lining during embryonic development of Porcellio scaber (Crustacea, Isopoda). In: Taiti S, Hornung E, Štrus J, Bouchon D (Eds) Trends in Terrestrial Isopod Biology. ZooKeys 515: 93–109. https://doi.org/10.3897/zookeys.515.9468
Figure 3 - Cuticle in the hindgut of Porcellio scaber marsupial mancae. EC - epithelial cell, PRO – procuticle, EPI – epicuticle, AL – apical labyrinth. A, B, C The hindgut cuticle (C) in early marsupial manca with the outer epicuticle and the inner procuticle. The epicuticle (EPI) consists of the outermost trilayered lamina (B, C - black →) and electron dense material underneath (C - white →). The procuticle (PRO) contains homogenous electron lucent material. Bulges of the cuticle are observed, some include electron dense material (B white →). Apical plasma membrane is intensely invaginated (B, C – ►) and forms apical labyrinth (AL) D, E The hindgut cuticle in late marsupial manca in the anterior chamber (D) and in the papillate region (E). Electron dense material is prominent under the trilayered lamina of the epicuticle. Cuticular spines are evident (black →) F Hindgut cuticle renewal in late marsupial manca - degradation and detachment of the old cuticle (DC) and formation of the new cuticle (NC) on the plasma membrane protrusions (white →). The new cuticle consists of an electron dense lamina (►), an electron dense material accumulating underneath (∆) and an inner electron lucent homogenous procuticle (PRO) F inset: Protrusions of the apical plasma membrane (white →) display electron dense tips – plaques – and are covered with an electron dense material.
Figure 2 from: Mrak P, Bogataj U, Štrus J, Žnidaršič N (2015) Formation of the hindgut cuticular lining during embryonic development of Porcellio scaber (Crustacea, Isopoda). In: Taiti S, Hornung E, Štrus J, Bouchon D (Eds) Trends in Terrestrial Isopod Biology. ZooKeys 515: 93–109. https://doi.org/10.3897/zookeys.515.9468
Figure 2 - Apical matrices in the hindgut of Porcellio scaber late embryos. EC - epithelial cell A The hindgut cells (EC) in stage 16 embryos are covered by a substantial apical matrix with intensely ruffled surface (AM). The matrix consists of an electron dense lamina (black →) and underlying more electron lucent homogenous material. The apical membrane displays irregularly arranged protrusions (white →) B, C, D In the stage 18 embryos the apical matrix of the hindgut (AM) is extensive. The surface lamina covers the matrix, which displays a distal region of medium density and a proximal lucent region. The lamina of this matrix is trilayered (B inset). A new electron dense lamina (B, D - black →) is evident above the apical membrane protrusions (B, D - white →). The new lamina is mostly continuous, though in some regions it still appears in fragments (C - black →) E, F In the prehatching embryo of stage 19 the hindgut apical matrix consists of a distal trilayered lamina (black →), an electron dense material, accumulating underneath the lamina (F - white →) and underlying lucent material (E - *). Microvilli-like protrusions of the apical plasma membrane are evident (E - white →). The gut lumen is filled with homogenous material.
Figure 1 from: Mrak P, Bogataj U, Štrus J, Žnidaršič N (2015) Formation of the hindgut cuticular lining during embryonic development of Porcellio scaber (Crustacea, Isopoda). In: Taiti S, Hornung E, Štrus J, Bouchon D (Eds) Trends in Terrestrial Isopod Biology. ZooKeys 515: 93–109. https://doi.org/10.3897/zookeys.515.9468
Figure 1 - Hindgut epithelium and cuticle in Porcellio scaber adults. A Semithin section of the hindgut anterior chamber. Gut cells protrude apically into the gut lumen. The apical membrane forms an apical labyrinth (AL), that is covered with the cuticle (C). N – nucleus of gut cell B Semithin section of the hindgut papillate region. Gut cells bulge basally into the hemocoel. Apical and basal labyrinths (AL, BL) are evident. Cuticle covers apical cell surface (C). N – nucleus of gut cell C, D Ultrastructure of the cuticle in anterior chamber. The cuticle is composed of thin electron dense epicuticle (EPI) and much thicker ''lamellated'' electron lucent procuticle (PRO). Several thin sublayers are discernible in the outermost part of the epicuticle (D inset - white →). A layer of medium electron density is visible between the epi- and procuticle (D - black →). A cuticular spine is present on the cuticle surface E, F Ultrastructure of the gut cuticle in papillate region. Epicuticle (EPI) and procuticle (PRO) are about the same thickness. Both are composed of morphologically homogenous matrix. Abundant mitochondria are observed closely to the membranes of the apical labyrinth (AL) F Several thin sublayers in the outermost region of the epicuticle are visible.
Heat oscillations driven by the embryonic cell cycle reveal the energetic costs of signaling
<p>R scripts and calorimetry data used and generated in "Heat oscillations driven by the embryonic cell cycle reveal the energetic costs of signaling" by Rodenfels <em>et al. </em></p>
Gestational and Peri-conceptional Exposure to Intra-nasal Instilled Air Pollutants Epigenetically Perturb Metabolic, Placental and Embryonic Phenotypes
<p><strong>Supplementary Figure legends</strong></p> <p> </p> <p><strong>Figure 1: </strong>Gestational study: Bar plots of plasma metabolites</p> <p> </p> <p><strong>Figure 2:</strong> Gestational study: Bar graph depicting gestational day 19 (GD19) maternal (left) and fetal (right) blood glucose concentrations presented as mean ± SEM. Air pollutant exposed group (AP) versus controls (CON), *p < 0.05 AP versus CON.</p> <p> </p> <p><strong>Figure 3: </strong>Gestational study: <strong>(A)</strong> GO term enrichment analysis of expressed genes between the AP group versus the CON group (n=6 each). Significant enrichment of pathways represented as q-values have been presented in a color-coded key. NES = normalized enrichment score. <strong>(B)</strong> Category cnet plot depicting the linkage of genes and biological concepts (hallmark pathways) as a network illustrating which genes are involved in enriched pathways, and genes that may belong to multiple annotation categories.</p> <p><strong>Figure 4: </strong>Gestational study:<strong> (A) </strong>Representative Western blots of various glucose and lipid transporter proteins and TNFα protein, with vinculin serving as an internal loading control, obtained from CON and AP GD19 placentas<strong>. (B) </strong>Bar plot showing densitometric analysis of Western blots of the various glucose and lipid transporters and TNFα (n=8 for each protein in each group). Data are depicted as Mean ± SEM. While trends are seen, statistical significance was not achieved.</p> <p><strong>Figure 5: </strong>Periconceptional study: <strong>(A)</strong> Bar plots demonstrating fasting blood glucose concentrations (left panel), Glucose tolerance tests (GTTs) (middle panel) and the area under the curves (AUCs) for GTTs (right panel) in non-pregnant (NP), pregnant (P), omega-3 diet exposed (P<em>n-3</em>) pregnant C57/BL6 (BL6) and CD1 pregnant mice are shown. <strong>(B)</strong> Bar plots demonstrating basal fed-state blood glucose concentrations (left panel), Insulin tolerance tests (ITTs) (middle panel) and AUCs for ITTs (right panel) in non-pregnant (NP), pregnant (P), omega-3 diet exposed (P<em>n-3</em>) pregnant C57/BL6 (BL6) and CD1 pregnant mice are shown (n=4-6 each). Data are presented as Mean ± SEM. Significance is shown as <sup>#</sup>compared to BL6-NP, *compared to BL6-P, and <sup>!</sup>compared to BL6-Pn-3 at a p< 0.05.</p> <p><strong>Figure 6: </strong>Periconceptional study:<strong> (A) </strong>Representative Western blots demonstrate various GD19 placental glucose and lipid transporter proteins, with vinculin serving as the internal loading control. <strong>(B) </strong>Bar plots show densitometric analysis of the Western blots of the various glucose and lipid transporters (n=8 for each protein in each group). Data are presented as Mean ± SEM.</p> <p><strong>Figure 7</strong>: Periconceptional study: Category cnet plot depicting the linkage of genes and biological concepts (hallmark pathways) as a network illustrating which genes are involved in enriched pathways, and the genes that may belong to multiple annotation categories between <strong>(A)</strong> AP and CON,<strong> (B)</strong> AP-<em>n-3</em> and AP, <strong>(C) </strong>AP-<em>n-3</em> and CON.</p> <p><strong>Figure 8: </strong>Periconceptional study:<strong> (A)</strong> Bar plots showing coverage of the 5’-hydroxymethylation DNA marks and genomic annotations in GD19 placentas from CON, AP, <em>n-3</em> and AP<em>-n-3</em> experimental groups (n=4 each). <strong>(B)</strong> Pie charts showing the distribution and genomic annotation of differentially methylated regions (DMRs) between the AP and CON groups. Upper panel depicts the distribution of DMRs across CpG-islands and associated regions, while the lower panel depicts the distribution of DMRs around different genomic regions. <strong>(C)</strong> Pie charts showing the distribution and genomic annotation of differentially methylated regions (DMRs) between AP<em>-n-3</em> and CON (left panel), <em>n-3</em> versus CON (middle panel) and AP<em>-n-3</em> versus AP (right panel).</p> <p><strong>Figure 9:</strong> Periconceptional study: <strong>(A-D) </strong>Volcano plots demonstrating the DNA methylation profiles of GD19 placentas from <strong>(A)</strong> AP versus CON, <strong>(B)</strong> AP<em>n-3</em> vs CON, <strong>(C)</strong> <em>n-3</em> vs CON, and <strong>(D)</strong> AP-<em>n-3</em> vs AP groups. Red and blue dots represent hypomethylated and hypermethylated loci respectively (n=4 each group). </p> <p> </p> <p> </p> <p> </p> <p> </p>
Microscopy data of RNA polymerase II clusters during RHB differentiation of cultured mouse embryonic stem cells
<p>Main repository containing the analysis scripts and results: 10.5281/zenodo.8013242</p>
Microscopy data of RNA polymerase II clusters during -LIF differentiation of cultured mouse embryonic stem cells
<p>Main repository containing the analysis scripts and results: 10.5281/zenodo.8013242</p>
Figure 1 in The study of exposure times and dose-escalation of tick saliva on mouse embryonic stem cell proliferation
Figure 1. Effect of H. marginatum SGE (0-160 µg/ml) on mouse embryonic stem cell proliferation and viability. Values represent relative fold change of cell viability normalized to untreated negative control. The Geisser –Greenhouse correction and Dunnett´s test on multiple comparison were used. The results are mean ± standard deviation (SD) from a representative experiment carried out in triplicate and were seeded in equal amount in 3 different 96 -well cultured plates.
Magnesium Effect on Embryonal PR Interval
ClinicalTrials.gov study NCT03047304. IPD Sharing: UNDECIDED. Countries: 0. Publications: 4.
Oxygen Tension on Human Embryonic Development
ClinicalTrials.gov study NCT03964805. IPD Sharing: Not stated. Countries: 0. Publications: 10.
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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.