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1,642 results for “vein”
PLATE 63. A, D, E. Male genitalia. B, C. Stigmal veins, males. A in Dryinidae of the Oriental region (Hymenoptera: Chrysidoidea)
PLATE 63. A, D, E. Male genitalia. B, C. Stigmal veins, males. A. Lonchodryinus sinensis from China (from Olmi 1992a). B. Bocchus adebratti (from Olmi 1993d). C. B. asper (from Olmi 1993d). D. B. asper, holotype (from Olmi 1987a). E. B. beckeri from Malaysia (from Olmi 1993d). Scale bar 0.17 mm for A, 0.43 mm for B and C, 0.20 mm for D and E.
FIGURE. Jamesonia congesta (Christ) Christenh., House et al., 4053 (EAP). A. 2-pinnate-pinnatifid laminae; B. Vein ending in a small marginal fold; C. Brownish rhizome trichomes. in Ferns and Lycophytes of Honduras: A new annotated checklist
FIGURE. Jamesonia congesta (Christ) Christenh., House et al., 4053 (EAP). A. 2-pinnate-pinnatifid laminae; B. Vein ending in a small marginal fold; C. Brownish rhizome trichomes.
FIGURE. General characters in Myrcia. A: Asymmetrical anther thecae; B: Symmetrical anther thecae; C: Simple trichome; D: Dibrachiate trichome; E: 2-locular ovary; F: 3-locular ovary; G: Hypanthium persistent in the fruit, hollow; H: Hypanthium persistent in the fruit, beaked and filled by tissue; I. Homogeneous gland dots; J: Heterogeneous gland dots; K: Tertiary veins densely reticulated; L: Tertiary veins sparsely reticulated. (A: Oliveira 841; B: Moreira 404; C: Lindeman 1640; D: Hatschbach 13407; E: Bonaldi 502; F: Hatschbach 8646; G: Silva 4334; H: Brotto 2434; I: Hatschbach 61476; J: Carrião s.n. UPCB 28305; K: Kuniyoshi 4844; L: Michelon 1327). in Myrcia (Myrtaceae) in the state of Paraná, Brazil
FIGURE. General characters in Myrcia. A: Asymmetrical anther thecae; B: Symmetrical anther thecae; C: Simple trichome; D: Dibrachiate trichome; E: 2-locular ovary; F: 3-locular ovary; G: Hypanthium persistent in the fruit, hollow; H: Hypanthium persistent in the fruit, beaked and filled by tissue; I. Homogeneous gland dots; J: Heterogeneous gland dots; K: Tertiary veins densely reticulated; L: Tertiary veins sparsely reticulated. (A: Oliveira 841; B: Moreira 404; C: Lindeman 1640; D: Hatschbach 13407; E: Bonaldi 502; F: Hatschbach 8646; G: Silva 4334; H: Brotto 2434; I: Hatschbach 61476; J: Carrião s.n. UPCB 28305; K: Kuniyoshi 4844; L: Michelon 1327).
FIGURE 5. Pneumagathis spiracularis. a. lateral habitus. b. dorsal habitus. c. wings, arrow shows nebulous Cub vein. d in The Nearctic genera of Agathidinae (Hymenoptera: Braconidae) with a phylogenetic analysis, illustrated generic key, and the description of three new genera
FIGURE 5. Pneumagathis spiracularis. a. lateral habitus. b. dorsal habitus. c. wings, arrow shows nebulous Cub vein. d. lateral metapleuron and propodeum, arrows show propodeal spiracle. e. propodeum and first metasomal median tergite (T1), arrows show propodeal spiracle, and longitudinal carina on T1.
FIGURE 3. Croton ceanothifolius. A. Habit. B. Staminate flowers. C. Pistillate flower with bifid styles. D. Leaf with impressed primary and secondary veins. E. Nearly mature capsules. C. celtidifolius. F in Croton (Euphorbiaceae) of the Brazilian state of Paraná: an annotated checklist, species distribution, and identification key
FIGURE 3. Croton ceanothifolius. A. Habit. B. Staminate flowers. C. Pistillate flower with bifid styles. D. Leaf with impressed primary and secondary veins. E. Nearly mature capsules. C. celtidifolius. F. Habit (plant in the center with some orange leaves). G. Amber-colored latex. H. Stipules. I. Detail of acropetiolar stipitate nectary glands. J. Inflorescence with lower bisexual cymules. K. Pistillate flower with tetrafid styles. Photos: A.P.N. Pereira.
Data from: An efficient method for estimating vein density of Glossopteris and its application
<p><em><span>Glossopteris</span></em><span>-type leaves are the most abundant floristic element from the Gondwanan continent and are recorded throughout the Permian, which was a period of extreme icehouse-to-hothouse climatic global change. Fossil leaf traits can be useful for the reconstruction of palaeoenvironments and identification of climatic changes throughout geological time, but the conservative morphology of <em><span>Glossopteris</span></em> leaves made them difficult to use for this purpose thus far. If the characters of <em><span>Glossopteris</span></em> can be better quantified then it should make them useful for tracking environmental changes over a wide geographic area for a long-time interval. Venation density is a highly variable leaf trait that might be useful for this purpose. This trait can be calculated, usually as vein length per centimetre square, but this can be a time-consuming procedure. In this paper, we propose a new rapid method to estimate venation density in a conical sector of <em><span>Glossopteris</span></em> leaf lamina through an accurate linear model whose predictors are three linear venation densities, measured as veins per centimetre. In addition to substantially reducing the data collection time, it is less biased and more reproducible than previous methods applied before with this leaf type. Using this more robust method, preliminary results significantly distinguish the venation densities of leaves produced in wet and drier ecosystems, matching a pattern similar to modern plants.</span> <span>This is the first survey using a large sample size to reveal that environmental stress controlled the vein architecture of Palaeozoic plants, in a manner similar to plants in modern ecosystems.</span></p>
FIGURE 2. Magnolia buenaventurensis. A. Leaf and lateral veins. B. Flower bud without bract. C in A new endemic Magnolia species (M. sect. Talauma, Magnoliaceae) from the southwestern montane forest remnants of Ecuador
FIGURE 2. Magnolia buenaventurensis. A. Leaf and lateral veins. B. Flower bud without bract. C. Flower opening in female phase. D. Flower in male phase. A–D from Pérez et al. 11777. Photographs by Álvaro J. Pérez (A–C) and Patricio Mena-Olmedo (D).
FIGURES 13–17 in Alone in paradise: a new genus and species of Hirmoneurini tangle-veined flies (Diptera, Nemestrinidae) in South America
FIGURES 13–17. Male terminalia of Bernardia xenomorpha gen. et sp. nov. 13. Genital capsule (dorsal view, light microscopy). 14. Genital capsule (dorsal view, SEM). 15. Phallus morphology (posterior view). 16, 17. Phallus morphology (posterolateral view). (goncx = gonocoxite; goncx apod = gonocoxal apodeme; gonst = gonostylus; igp = inner gonocoxal processes; l-hook = lower aedeagal hook; ph = phallus; u-hook = upper aedeagal hook).
FIGURES 9–12 in Alone in paradise: a new genus and species of Hirmoneurini tangle-veined flies (Diptera, Nemestrinidae) in South America
FIGURES 9–12. Male terminalia of Bernardia xenomorpha gen. et sp. nov. 9. Posterior view. 10. Epandrium, dorsal view (light microscopy). 11. Epandrium, dorsal view (SEM). 12. Epandrium and cerci (posterior view, SEM). (cerc = cercus; epand = epandrium; goncx = gonocoxite; gonst = gonostylus; hypd = hypandrium; ph = phallus).
FIGURES 4, 5 in Alone in paradise: a new genus and species of Hirmoneurini tangle-veined flies (Diptera, Nemestrinidae) in South America
FIGURES 4, 5. Bernardia xenomorpha gen. et sp. nov. 4. Paratype habitus (male, dorsal view). 5. Right wing (dorsal view).
FIGURES 18–22 in Alone in paradise: a new genus and species of Hirmoneurini tangle-veined flies (Diptera, Nemestrinidae) in South America
FIGURES 18–22. Male terminalia of Bernardia xenomorpha gen. et sp. nov. 18. Genital capsule (ventral view, light microscopy). 19, 20. Phallus morphology (ventral view). 21, 22. Genital capsule (ventral view, SEM). (cerc = cercus; epand = epandrium; goncx = gonocoxite; gonst = gonostylus; hypd = hypandrium; igp = inner gonocoxal processes; l-hook = lower aedeagal hook; ph = phallus; u-hook = upper aedeagal hook).
FIGURES 28–36. Genital fork. 28. Neorhynchocephalus Lichtwardt. 29. Hirmoneuropsis Bequaert. 30. Hyrmophlaeba Rondani. 31, 32. Trichophthalma Westwood. 33 in Alone in paradise: a new genus and species of Hirmoneurini tangle-veined flies (Diptera, Nemestrinidae) in South America
FIGURES 28–36. Genital fork. 28. Neorhynchocephalus Lichtwardt. 29. Hirmoneuropsis Bequaert. 30. Hyrmophlaeba Rondani. 31, 32. Trichophthalma Westwood. 33. Trichophthalma (Eurygastromyia). 34–36. Bernardia gen. nov. (arrows: tips of arms of genital fork). (Figures 28–36, redrawn from Angulo 1987).
Fig. 8 in Structurally diverse polycyclic polyprenylated acylphloroglucinols with protective effect on human vein endothelial cells injured by high-glucose from Hypericum acmosepalum N. Robson
Fig. 8. Screening results of protective effect of compounds 1–4, and 7–16 at 50 μg/mL on HUVECs injured by high-glucose, using 0.1 mmol/L aspirin as the positive control. *P <0.01 compared with the control group; **P <0.01 compared with the model group, respectively.
Fig. 9 in Structurally diverse polycyclic polyprenylated acylphloroglucinols with protective effect on human vein endothelial cells injured by high-glucose from Hypericum acmosepalum N. Robson
Fig. 9. The HUVECs morphologies of Control (A), Model (B), Positive Control (C), and sample groups at 1 (D), 5 (E), 50 (F) μg/mL of compound 13.
Radiofrequency Balloon Ablation for Atrial Fibrillation: Durability of Pulmonary Vein Isolated and Clinical Outome
ClinicalTrials.gov study NCT06296888. IPD Sharing: NO. Countries: 1. Publications: 11.
Effectiveness of Pulmonary Vein Isolation in Prevention of Atrial Fibrillation Following Heart Bypass Surgery
ClinicalTrials.gov study NCT00338715. IPD Sharing: Not stated. Countries: 1. Publications: 9.
Efficacy and Safety of Endovenous Radio Frequency (EVRF) for Treatment of Varicose Veins in Singapore
ClinicalTrials.gov study NCT04384315. IPD Sharing: NO. Countries: 1. Publications: 6.
Assessment of Long-Term Out-of-Hospital Treatment of Patients With Proximal Deep Vein Thrombosis (DVT) Using Low-Molecular-Weight Heparin (LMWH) Versus LMWH Followed by Warfarin
ClinicalTrials.gov study NCT00203658. IPD Sharing: Not stated. Countries: 1. Publications: 4.
Trial of the Effect of Low-Molecular-Weight Heparin (LMWH) Versus Warfarin on Mortality in the Long-Term Treatment of Proximal Deep Vein Thrombosis (DVT) (Main LITE Study)
ClinicalTrials.gov study NCT00203580. IPD Sharing: Not stated. Countries: 1. Publications: 4.
Ablation Index Guided High Power Ablation for Pulmonary Vein Isolation in Patients With Atrial Fibrillation
ClinicalTrials.gov study NCT04379557. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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