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11,198 results for “organs”
Fig. 3 in Histological, Topographical And Ultrastructural Organization Of Different Cells Lining The Olfactory Epithelium Of Red Piranha, Pygocentrus Nattereri (Characiformes, Serrasalmidae)
Fig. 3. Photomicrographs of the olfactory epithelium of P. nattereri by transmission electron microscopy (TEM) and scanning electron microscopy (SEM). A — olfactory epithelium (OEP showing mucous cell (MC) having granules, microvillous cell (arrow head), labyrinth cell (broken arrow) and vesicular cytoplasm of supporting cell (solid arrow) (TEM) ×2100. B — flat surface ciliated supporting cell (solid arrow) provided with plenty of kinocilia (arrow heads) showing microtubular pattern (broken arrows). Note large number of mitochondria within the cytoplasm of supporting cells (TEM) ×5000. C — non-sensory olfactory epithelium (OEP) comprised of MC filled with large granules and supporting cells (solid arrows) (TEM) ×2100. D — basal cells provided with conspicuous lobular nuclei (N) having dense nucleolus (solid arrow). Note the presence of small vesicles (arrow head) adjacent the nucleus and rough endoplasmic reticulum (rER) (broken arrows) (TEM) ×2500. E — showing nuclear division of basal cells provided with dense nucleus (solid arrows). Broken arrows indicate mature nucleus of basal cells (TEM) ×2500. F — showing labyrinth cells (solid arrow) with conspicuous folding encircled by compactly arranged stratified epithelial cells (SEC). Note the presence of MC (broken arrows) in between SEC and mucin droplets (arrow heads) over SEC (SEM) ×4500. G — surface epithelium of raphe provided with packed SEC having labyrinth pattern microridges. Note the presence of opening of MC (solid arrows) and mucin droplets (arrow heads) over SEC (SEM) ×4500. H — raphe showing oval and elongated nuclei (N) of Stratified epithelial cells. Note the presence of rER (solid arrows) and vesicles (broken arrows) adjacent to nucleus (TEM) × 2500.
Fig. 4 in The Development Of Olfactory Organ Of Lissotriton Vulgaris (Amphibia, Caudata)
Fig. 4. Cross-section of mature L. vulgaris head at the level of the anterior part of the nasal cavity. Legends: oc — nasal cavity; oe — olfactory epithelium; bc — buccal cavity; ld — lateral diverticulum; re — respiratory epithelium; nac — olfactory capsule; img — intermaxillary gland; Bg — Bowman's glands.
Fig. 5 in The Development Of Olfactory Organ Of Lissotriton Vulgaris (Amphibia, Caudata)
Fig. 5. Cross-section of mature L. vulgaris head at the level vomeronasal gland. L e g e n d s: oc — nasal cavity; oe — olfactory epithelium; ld — lateral diverticulum; re — respiratory epithelium; nac — olfactory capsule; nld — nasolacrimal duct, img — intermaxillary gland; Bg — Bowman's glands.
Fig. 6 in The Development Of Olfactory Organ Of Lissotriton Vulgaris (Amphibia, Caudata)
Fig. 6. Temporal morphogenesis of the L. vulgaris olfactory analyzer structures. L e g e n d s: OP — olfactory placode; OPI — olfactory pits; OS — olfactory sac; NC — nasal cavity; VNO — vomeronasal organ; RE — respiratory epithelium; VNG — vomeronasal gland; BG — Bowman's glands.
Fig. 3 in The Development Of Olfactory Organ Of Lissotriton Vulgaris (Amphibia, Caudata)
Fig. 3. Cross-section of the L. vulgaris larva head at the level of the nasal cavity (a) and vomeronasal organs (b): a — stage 47; b — stage 52. L e g e n d s: oc — nasal cavity; oe — olfactory epithelium; bc — buccal cavity; vno — vomeronasal organ; ct — trabecular lamina.
Fig. 1 in The Development Of Olfactory Organ Of Lissotriton Vulgaris (Amphibia, Caudata)
Fig. 1. Cross-section of the L. vulgaris larvae head at the level of the olfactory placode (a) and choanae (b): a — stage 33; b — stage 41. L e g e n d s: op — olfactory pits; e — eyes; nt — neural tube; nec — neurocoel; p — olfactory placode; ch — choanae; oe — olfactory epithelium; bc — buccal cavity; b — brain.
The protein organization of a red blood cell
<p>Elution profiles, feature matrix, train and test ppis, and metadata for the paper "The protein organization of a red blood cell". Sae-Lee et al., </p>
Data from: Effect of altitude on volatile organic and phenolic compounds of artemisia brevifolia wall ex Dc. from the Western Himalayas
<p>Adaptation to changing environmental conditions is a driver of plant diversification. Elevational gradients offer a unique opportunity for investigating adaptation to a range of climatic conditions. The use of specialized metabolites as volatile and phenolic compounds is a major adaptation in plants, affecting their reproductive success and survival by attracting pollinators and protecting themselves from herbivores and other stressors. The wormseed <em>Artemisia brevifolia</em> can be found across multiple elevations in the Western Himalayas, a region that is considered a biodiversity hotspot and is highly impacted by climate change. This study aims at understanding the volatile and phenolic compounds produced by <em>A. brevifolia </em>in the high elevation cold deserts of the Western Himalayas with the view to understanding the survival strategies employed by plants under harsh conditions. Across four sampling sites with different elevations, polydimethylsiloxane (PDMS) sampling and subsequent GCMS analyses showed that the total number of volatile compounds in the plant headspace increased with elevation and that this trend was largely driven by an increase in compounds with low volatility, which might improve the plant's resilience to abiotic stress. HPLC analyses showed no effect of elevation on the total number of phenolic compounds detected in both young and mature leaves. However, the concentration of the majority of phenolic compounds decreased with elevation. As the production of phenolic defense compounds is a costly trait, plants at higher elevations might face a trade-off between energy expenditure and protecting themselves from herbivores. This study can therefore help us understand how plants adjust secondary metabolite production to cope with harsh environments and reveal the climate adaptability of such species in highly threatened regions of our planet such as the Himalayas.</p>
Dataset: Consistent release of volatile organic compounds across an actively degrading permafrost peatland
<p>Here, we conducted in situ measurements of soil and pond VOC emissions across an actively degrading permafrost peatland in subarctic Norway. We used a permafrost thaw gradient that covered bare soil and vegetated palsa plateaus, underlain by intact permafrost, and increasingly degraded permafrost landscapes: thaw slumps, thaw ponds, and vegetated thaw ponds.</p> <p>This dataset includes two excel files: 1) the first one "Finnmark_source_data" is the source data for figures in the publication <a href="https://doi.org/10.1016/j.geoderma.2023.116355">https://doi.org/10.1016/j.geoderma.2023.116355</a>. ii) the second one "Rawdata_of_emission_rate" is the emission rate of the 210 VOC species identified in this study.</p> <p>Results showed that every peatland landscape type was an important and consistent source of atmospheric VOCs, with a large variety species, such as methanol, acetone, monoterpenes, sesquiterpenes, isoprene, hydrocarbons, oxygenated VOCs, etc. VOC composition varied considerably across the measurement period and across the permafrost thaw gradient. We observed enhanced terpenoid emissions following thaw slump degradation, highlighting the potential atmospheric impact of permafrost thaw, due to the high chemical reactivities of terpenoid compounds. Overall, our study demonstrates that VOCs are being emitted in significant quantities and with largely similar composition upon permafrost thawing, inundation, and subsequent vegetation development, despite major differences in microclimate, hydrological regime, vegetation, and permafrost occurrence.</p> <p>Should you have any questions regarding the dataset, please free feel to contact Yi jiao at yi.jiao@bio.ku.dk or the PI of this project Prof. Rinnan at riikkar@bio.ku.dk</p>
Data from: Speciation in Nearctic oak gall wasps is frequently correlated with changes in host plant, host organ, or both
<p>Quantifying the frequency of shifts to new host plants within diverse clades of specialist herbivorous insects is critically important to understand whether and how host shifts contribute to the origin of species. Oak gall wasps (Hymenoptera: Cynipidae: Cynipini) comprise a tribe of ~1000 species of phytophagous insects that induce gall formation on various organs of trees in the family Fagacae —primarily the oaks (genus <em>Quercus</em>; ~435 sp). The association of oak gall wasps with oaks is ancient (~50 my), and most oak species are galled by one or more gall wasp species. Despite the diversity of both gall wasp species and their plant associations, previous phylogenetic work has not identified the strong signal of host plant shifting among oak gall wasps that has been found in other phytophagous insect systems. However, most emphasis has been on the Western Palearctic and not the Nearctic where both oaks and oak gall wasps are considerably more species rich. We collected 86 species of Nearctic oak gall wasps from 10 of the 14 major clades of Nearctic oaks and sequenced >1000 Ultra Conserved Elements (UCEs) and flanking sequences to infer wasp phylogenies. We assessed the relationships of Nearctic gall wasps to one another and, by leveraging previously published UCE data, to the Palearctic fauna. We then used phylogenies to infer historical patterns of shifts among host tree species and tree organs. Our results indicate that oak gall wasps have moved between the Palearctic and Nearctic at least four times, that some Palearctic wasp clades have their proximate origin in the Nearctic, and that gall wasps have shifted within and between oak tree sections, subsections, and organs considerably more often than previous data have suggested. Given that host shifts have been demonstrated to drive reproductive isolation between host-associated populations in other phytophagous insects, our analyses of Nearctic gall wasps suggest that host shifts are key drivers of speciation in this clade, especially in hotspots of oak diversity. Though formal assessment of this hypothesis requires further study, two putatively oligophagous gall wasp species in our dataset show signals of host-associated genetic differentiation unconfounded by geographic distance, suggestive of barriers to gene flow associated with the use of alternative host plants.</p>
Dataset for "Experimental determination of the relationship between organic aerosol viscosity and ice nucleation at upper free tropospheric conditions"
<p><strong>Data and scripts used to create the figures in the manuscript titled: "Experimental determination of the relationship between organic aerosol viscosity and ice nucleation at upper free tropospheric conditions"</strong></p>
Long-term dynamics of trace elements concentrations in the organism of the shrews (Sorex) during the periods of high and reduction emissions from the copper smelter
<p>Data and code for mixed-model analysis for the article: </p> <p>Mukhacheva S.V. (2022) Long-term dynamics of trace elements concentrations in the organism of the shrews (Sorex) during the periods of high and reduction emissions from the copper smelter" // Russian Journal of Ecology. Vol. 5. </p> <p>Data provided by S.V. Mukhacheva</p> <p>Code provided by A.N. Sozontov</p>
Superordinate Categorization Based on the Perceptual Organization of Parts - Dataset
<p>This is the dataset for:<br> Tiedemann, H.; Schmidt, F.; Fleming, R.W. Superordinate Categorization Based on the Perceptual Organization of Parts. Brain Sci. 2022, 12, 667. https://doi.org/10.3390/brainsci1205066</p> <p>Available at:<br> https://www.mdpi.com/2076-3425/12/5/667</p>
Using marsh organs to test seed recruitment in tidal freshwater marshes
<p><strong>Premise:</strong> Seed recruitment niches along estuarine elevation gradients are seldom experimentally field-tested under tidal regimes of the Pacific Northwest of North America. Addressing this knowledge gap is important to better understand estuary restoration and plant community response to sea level rise.</p> <p><strong>Methods:</strong> Germination was tested in marsh organ mesocosms across an elevation gradient (0.5–1.7 m above mean sea level). Seeds were sown on sterile peat moss, and the tops of pipes were secured with horticultural "frost cloth" to ensure no experimental seeds were washed out and no new seeds were introduced. The trials tested artificial and overwinter chilling regimes, as well as the presence and/or absence of a near-neighbor transplant.</p> <p><strong>Results:</strong> <em>Carex</em> <em>lyngbyei</em> had significant elevation-driven germination after overwinter and artificial chilling. <em>Schoenoplectus tabernaemontani</em> had near-significant germination across elevation after overwinter chilling, and germination in the absence of competition was significantly greater than with a near-neighbor transplant.</p> <p><strong>Discussion:</strong> <em>Carex lyngbyei</em> had the highest germination rate at higher elevations, which suggests restricted seed recruitment potential, and required clonal expansion to extend into lower marsh elevations. Identifying species-specific recruitment niches provides insight for restoration opportunities or invasive species monitoring, as well as for estuary migration under sea level rise.</p>
Fig. 1. A in Mapping the biosphere: Exploring species to understand the origin, organization and sustainability of biodiversity
Fig. 1. A partial list of the trans-disciplinary expertise required to plan, undertake and complete an inventory and mapping of Earth's flora and fauna and three examples of scientific and engineering domains advanced by the resulting knowledge of the biosphere's species and their properties, relationships and distributions.
Research Organization Registry (ROR) Data in Sqlite Database
<p>Version 1.1 of the Research Organization Registry data translated into a SQLite database using ROR2DB (https://github.com/Metadata-Game-Changers/ROR2DB).</p> <p>This version adds country, country_code, and status to the ror table.</p>
Polifonia Corpus - Pilots Module (Organs) Metadata
<p>We release the Metadata of the Pilots module of the Polifonia Textual Corpus. According to the availability from the source origin, the Metadata may include the URL from which a text of the Pilots corpus is accessible, along with the title, the author, the year of publication, and the publisher. Metadata allows for a complete reconstruction of the corpus as we cannot make the actual texts available because they are subject to heterogeneous licensing.</p> <p>Full description at <a href="http://github.com/polifonia-project/Polifonia-Corpus">https://github.com/polifonia-project/Polifonia-Corpus</a></p>
Systematic review reveals sexually antagonistic knockouts in model organisms data and code
<p>R Code and data for manuscript titled "Systematic review reveals sexually antagonistic knockouts in model organisms".</p> <p>Drosophila data is from Ruzicka, F., Hill, M.S., Pennell, T.M., Flis, I., Ingleby, F.C., Mott, R., Fowler, K., Morrow, E.H., Reuter, M., 2019. Genome-wide sexually antagonistic variants reveal long-standing constraints on sexual dimorphism in fruit flies. PLoS Biol. 17, e3000244.</p> <p>https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3000244</p> <p>Human data is from Harper, J.A., Janicke, T., Morrow, E.H., 2021. Systematic review reveals multiple sexually antagonistic polymorphisms affecting human disease and complex traits. Evolution 75, 3087–3097. https://doi.org/10.1111/evo.14394</p> <p>https://onlinelibrary.wiley.com/doi/full/10.1111/evo.14394</p>
Gender policies in sports organizations
<p> </p> <p> The data has been collected from the national sports federations of Italy, Portugal, Turkey, Spain, and the United Kingdom in 2021 and 2022.</p> <p>With the support of the European Commission. Erasmus+ Project. "Corporate governance in sport organizations: a gendered approach". Project Reference -EPP-1-2017-1-ES-SPO-SCP</p>
Trajectories used for Tailoring Charge Transfer Kinetics in Organic Radical Batteries
<p>Trajectories, which are discussed in our work "Tailored Charge Transfer Kinetics in Organic Radical Batteries - A Joint Synthetic-Theoretical Approach"</p> <p>The trajectories were obtained by linearly interpolating in internal coordinates (LIICs) of the relaxed ground state species of molecules A to F, where the charge is either localized on the thiophene backbone (B) or the TEMPO moiety (T1 and T2). Thereby, the program suite pysisyphus (Steinmetzer <em>et. al.</em> 2021) was used to obtain the LIICs. Endpoints represent the fully optimized redox species. The trajectories were used to calculate the intramolecular charge transfer reactions.</p> <p>Trajectories of the following charge transfer reactions are uploaded:</p> <p>1. A<sub>B</sub>→A<sub>T1</sub> (ABtAT1.trj)</p> <p>2. A<sub>B</sub>→A<sub>T2 </sub>(ABtAT2.trj)</p> <p>3. B<sub>B</sub>→B<sub>T1 </sub>(BBtBT1.trj)</p> <p>4. B<sub>B</sub>→B<sub>T2 </sub>(BBtBT2.trj)</p> <p>5. C<sub>B</sub>→C<sub>T1 </sub>(CBtCT1.trj)</p> <p>6. C<sub>B</sub>→C<sub>T2 </sub>(CBtCT2.trj)</p> <p>7. D<sub>B</sub>→D<sub>T1 </sub>(DBtDT1.trj)</p> <p>8. D<sub>B</sub>→D<sub>T2 </sub>(DBtDT2.trj)</p> <p>9. E<sub>B</sub>→E<sub>T </sub>(EBtET.trj)</p> <p>10. F<sub>B</sub>→F<sub>T </sub>(FBtFT.trj)</p>
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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.