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1,642 results for “vein”
FIGURES 1–5 in Description of five new eulophid species (Hymenoptera: Eulophidae) associated with leaf vein galls of Madhuca longifolia (J. Koenig) (Sapotaceae) in India
FIGURES 1–5. Leaf vein galls of Madhuca latifolia: 1, branch of a tree showing severity of gall infestation; 2, underside of leaves showing intensity of galls; 3, enlarged view of a section of leaf showing galls on tertiary veins between main secondary veins; 4, enlarged view of some galls showing single and multiple connected gall; 5, magnified view of a gall showing emergence hole.
FIGURES 12–16 in Description of five new eulophid species (Hymenoptera: Eulophidae) associated with leaf vein galls of Madhuca longifolia (J. Koenig) (Sapotaceae) in India
FIGURES 12–16. Selitrichodes madhucae Singh & Kaneria sp. nov., female: 12, anelli of antenna; 13, forewing; 14, basal half of forewing; 15, distal part of veins showing post marginal and stigmal veins; 16, ovipositor.
Code and datasets for 'Formation of olivine veins by reactive fluid flow in a dehydrating serpentinite'
<p>This upload contains the code and the datasets (lookup tables) for the reactive transport model used in Huber et al. (2021) Formation of olivine veins by reactive fluid flow in a dehydrating serpentinite</p>
FIGURE 1. Camellia hainingii S.X.Yang et Y.S. Huang. A. Habitat. B. Adaxial leaves. C. Abaxial leaves. D. Semitransparent veins. E in Camellia hainingii, a new species of Theaceae in China
FIGURE 1. Camellia hainingii S.X.Yang et Y.S. Huang. A. Habitat. B. Adaxial leaves. C. Abaxial leaves. D. Semitransparent veins. E. Front view of the flower. F. Back view of the flower. G. Side view of the flower. H. 'Perules' (bracteoles and sepals). I. Stamens. J. Pistil. K. Peltals. L. Front view of the fruit. M. Side view of the fruit. N. Seed (left) and dehiscent pericarp (right). Photos by S.X. Yang.
Benefit of Stereoscopic Volume Rendering for the Identification of Pediatric Pulmonary Vein Stenosis from CT Angiography
<p> </p> <p>The use of three-dimensional (3D) technologies in medical practice is increasing; however, its use is largely untested. One 3D technology, stereoscopic volume-rendered 3D display, can improve depth perception. Pulmonary vein stenosis (PVS) is a rare cardiovascular pathology, often diagnosed by computed tomography (CT), where volume rendering may be useful. Depth cues may be lost when volume rendered CT is displayed on regular screens instead of 3D displays. The objective of this study was to determine whether the 3D stereoscopic display of volume-rendered CT improved perception compared to standard monoscopic display, as measured by PVS diagnosis. CT angiograms (CTAs) from 18 pediatric patients aged 3 weeks to 2 years were volume rendered and displayed with and without stereoscopic display. Patients had 0 to 4 pulmonary vein stenoses. Participants viewed the CTAs in 2 groups with half on monoscopic and half on stereoscopic display and the converse a minimum of 2 weeks later, and their diagnoses were recorded. A total of 24 study participants, comprised of experienced staff cardiologists, cardiovascular surgeons and radiologists, and their trainees viewed the CTAs and assessed the presence and location of PVS. Cases were classified as simple (2 or fewer lesions) or complex (3 or more lesions). Overall, there were fewer type 2 errors in diagnosis for stereoscopic display than standard display; although the difference was not significant. There was a significant decrease in type 2 errors for complex multiple lesion cases (≥3) vs simpler cases and improvement in localization of pulmonary veins. There was no difference between the 2 groups for type 1 errors. Subjectively, 70% of participants stated that stereoscopy was helpful in the identification of PVS. The stereoscopic display did not result in decreased errors in PVS diagnosis but was helpful for more complex cases.</p>
Analysis of the effectiveness and safety of conventional anticoagulants in preventing deep vein thrombosis after total knee arthroplasty in patients undergoing total knee arthroplasty at high altitudes
<p><strong><span>Analysis of the effectiveness and safety of conventional anticoagulants in preventing deep vein thrombosis after total knee arthroplasty in patients undergoing total knee arthroplasty at high altitudes</span></strong></p>
- Distal part of 2r-rs&Rs vein much longer than proximal part (a, b)................................ Conganteon Olmi in Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea)
- Distal part of 2r-rs&Rs vein much longer than proximal part (a, b)................................ Conganteon Olmi
FIGURE 22. Scaphochlamys stenophylla. A. whole plant. B. pulvinate petiole base. C. inflorescence with bud and wilted flower. D. lamina adaxial surface. E. lamina abaxial surface. F. bud with visible violet veins. G. corolla lobes opening, labellum uncoiling. H in A review of Scaphochlamys (Zingiberaceae) from Borneo, with description of eleven new species
FIGURE 22. Scaphochlamys stenophylla. A. whole plant. B. pulvinate petiole base. C. inflorescence with bud and wilted flower. D. lamina adaxial surface. E. lamina abaxial surface. F. bud with visible violet veins. G. corolla lobes opening, labellum uncoiling. H. flower at anthesis, labellum violet with light yellow band along median line until distal cleft. I. corolla lobes reflexed. J. semi-erect fruit. K. immature fruit cross-section. L. stigma and crest. M. spurless anther (specimen in alcohol). N. bracts and bracteoles, artificially opened. A, C, F, G, I & J from OIH74 (type); B, D, E, H, K, L & M from OIH171; N from OIH91.
FIGURE 1. Sapium sceleratum. A. Branch. B–C. Acropetiolar glands. D. Leaf margin. E–F. Leaf shapes and veins pattern. G. Inflorescence base. H. Staminate flower. I in Reinstatement of Sapium sceleratum (Euphorbiaceae), an endemic species from Northeast Brazil, and new circumscription of Sapium argutum
FIGURE 1. Sapium sceleratum. A. Branch. B–C. Acropetiolar glands. D. Leaf margin. E–F. Leaf shapes and veins pattern. G. Inflorescence base. H. Staminate flower. I. Pistillate flower showing calyx covering more than half of the length of the ovary. J. Pistillate sepal. A–C. A. M. Miranda 3273 (HST). D. A. M. Miranda 4214 (HST). E–H. Carvalho Sobrinho et al. 1840 (HVASF).
FIGURE 2. Sapium argutum. A. Branch. B–C. Acropetiolar glands. D. Leaf shape and veins pattern. E–F. Leaf margin. G. Inflorescence apex. H. Inflorescence base. I. Staminate flower. J. Pistillate flower. K. Pistillate sepal. L. Seed. A–L. W. Cordeiro 780 in Reinstatement of Sapium sceleratum (Euphorbiaceae), an endemic species from Northeast Brazil, and new circumscription of Sapium argutum
FIGURE 2. Sapium argutum. A. Branch. B–C. Acropetiolar glands. D. Leaf shape and veins pattern. E–F. Leaf margin. G. Inflorescence apex. H. Inflorescence base. I. Staminate flower. J. Pistillate flower. K. Pistillate sepal. L. Seed. A–L. W. Cordeiro 780 (PEUFR).
FIGURE 2. Anthurium atrovinosum. A–B. Leaves showing adaxially engraved veins and abaxially prominent veins. C. Young leaf. D–E. Habit. F–G. Pre-anthesis inflorescence. H in Two new species of Anthurium Schott (Araceae) from the Atlantic Forest in Minas Gerais, Brazil
FIGURE 2. Anthurium atrovinosum. A–B. Leaves showing adaxially engraved veins and abaxially prominent veins. C. Young leaf. D–E. Habit. F–G. Pre-anthesis inflorescence. H. Inflorescence at anthesis, with pollen grains. I. Berries. J. Inflorescence with immature fruits.
Figures 10–13 in Identification of Megaselia (Diptera: Phoridae) species using wing vein landmarking
Figures 10–13. Comparison of Megaselia species. 10. Species 58. 11. Species 193. 12. Species 159. 13. Species 250.
Figures 8–9. Results from analysis 3. 8. Results for ZADBI specimens. 9 in Identification of Megaselia (Diptera: Phoridae) species using wing vein landmarking
Figures 8–9. Results from analysis 3. 8. Results for ZADBI specimens. 9. Results for BioSCAN specimens.
Figures 4–7. Instructions for landmarking. 4 in Identification of Megaselia (Diptera: Phoridae) species using wing vein landmarking
Figures 4–7. Instructions for landmarking. 4. Main landmarks on thick veins. 5. Lines to establish landmarks 15-23. 6. Lines to establish landmarks 24-29. 7. Lines to establish landmarks 30-32.
Data from: Causes of ecological gradients in leaf margin entirety: Evaluating the roles of biomechanics, hydraulics, vein geometry, and bud packing
PREMISE OF THE STUDY: A recent commentary by Edwards et al. (Am. J. Bot. 103: 975–978) proposed that constraints imposed by the packing of young leaves in buds could explain the positive association between non-entire leaf margins and latitude but did not thoroughly consider alternative explanations. METHODS: We review the logic and evidence underlying six major hypotheses for the functional significance of marginal teeth, involving putative effects on (1) leaf cooling, (2) optimal support and supply of the areas served by major veins, (3) enhanced leaf-margin photosynthesis, (4) hydathodal function, (5) defense against herbivores, and (6) bud packing. KEY RESULTS: Theoretical and empirical problems undermine all hypotheses except the support–supply hypothesis, which implies that thinner leaves should have non-entire margins. Phylogenetically structured analyses across angiosperms, the El Yunque flora, and the genus Viburnum all demonstrate that non-entire margins are indeed more common in thinner leaves. Across angiosperms, the association of leaf thickness with non-entire leaf margins is stronger than that of latitude. CONCLUSION: We outline a synthetic model showing how biomechanics, hydraulics, vein geometry, rates of leaf expansion, and length of development within resting buds, all tied to leaf thickness, drive patterns in the distribution of entire vs. non-entire leaf margins. Our model accounts for dominance of entire margins in the tropics, Mediterranean scrub, and tundra, non-entire margins in cold temperate deciduous forests and tropical vines and early-successional trees, and entire leaf margins in monocots. Spinose-toothed leaves should be favored in short-statured evergreen trees and shrubs, primarily in Mediterranean scrub and related semiarid habitats.
The role of local impedance drop in the acute lesion efficacy during pulmonary vein isolation performed with a new contact force sensing catheter – a pilot study
<p>The role of local impedance drop in the acute lesion efficacy during pulmonary vein isolation performed with a new contact force sensing catheter – a pilot study</p>
Data set for phase-field studies of crystal growth in single-seal syntaxial veins in limestone
<p>The numerical data in this repository consists of the simulation data of single-seal syntaxial calcite vein formation in limestone. The simulations were performed using the software package named "Pace3D (v. 2.5.1)".</p> <p>The data is organized, the way it appears in the figures in the manuscript and the folders are named accordingly.</p> <ul> <li>The simulation data shows intermediate growth stages and was converted from Pace3D output data format to VTK data format. The VTK files can be visualized using open source software packages like Paraview. The data files in each subfolder are also compressed (file format *.gz). For visualization the data has to be decompressed (e.g. with gzip, 7zip).</li> </ul>
FIGURE 2. Calyculogygas serrana. A, G. Habit. B. Flowers facing downwards and epicalyx with reddish veins. C, D in A new species of Calyculogygas (Malvaceae) from southern Brazil
FIGURE 2. Calyculogygas serrana. A, G. Habit. B. Flowers facing downwards and epicalyx with reddish veins. C, D. Branch with flowers, buds and leaves. E. Immature fruit. F. Fruit at maturity. H. Habitat, in southern Brazilian highland slopes of the "Serra Geral" plateau. Photographs by Martin Grings.
PLATE 66. A. Male genitalia, holotype. B, C. Female stigmal veins. D, E. Chelae, holotypes. A in Dryinidae of the Oriental region (Hymenoptera: Chrysidoidea)
PLATE 66. A. Male genitalia, holotype. B, C. Female stigmal veins. D, E. Chelae, holotypes. A. Bocchus levis (from Olmi 1991). B, D. B. muluensis (from Olmi 1984). C, E. B. pedunculatus (from Olmi 1984). Scale bar 0.19 mm for A, 0.41 mm for B and C, 0.13 mm for D and 0.16 mm for E.
PLATE 65. A, E. Chelae, holotypes. B, C. Stigmal veins. D. Male genitalia, holotype. A in Dryinidae of the Oriental region (Hymenoptera: Chrysidoidea)
PLATE 65. A, E. Chelae, holotypes. B, C. Stigmal veins. D. Male genitalia, holotype. A. Bocchus haladai (from Olmi 2008b). B, D. B. indicus, male (from Olmi 1987a). C, E. B. laotianus, female (from Olmi 1984). Scale bar 0.18 mm for A, 0.35 mm for B and C, 0.23 mm for D and 0.18 mm for E.
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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.