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196 results for “Chorion”
PLATE 19 in Chorion exploration in the tribe Anthocharidini (Lepidoptera: Pieridae) and their possible importance in its systematics
PLATE 19. Photos of SEM of Hesperocharis paranensis paranensis (Figs. A, D), H. costaricensis pasion (Figs. B, E), and H. graphites avivolans (Figs. C, F). A–C. Aeropyles; D–F. Apex region.
PLATE 21 in Chorion exploration in the tribe Anthocharidini (Lepidoptera: Pieridae) and their possible importance in its systematics
PLATE 21. Micro-grid tendences on the Anthocharidini. A. General scheme; B–G. Details of the formation of the micro-grid.
PLATE 13 in Chorion exploration in the tribe Anthocharidini (Lepidoptera: Pieridae) and their possible importance in its systematics
PLATE 13. Photos of SEM of Anthocharis limonea (Figs. A, D), A. euphenoides (Figs. B, E), and Zegris eupheme (Figs. C, F). A–C. Micropyle; D–F. Perimicropylar region. White arrows pointed out the micropylar pores.
PLATE 9 in Chorion exploration in the tribe Anthocharidini (Lepidoptera: Pieridae) and their possible importance in its systematics
PLATE 9. Chorion of Hesperocharis sp.: A. Lateral view; B. Apical view: i. Curved rib; ii. Intercostal spaces; iii. Projections.
PLATE 4 in Chorion exploration in the tribe Anthocharidini (Lepidoptera: Pieridae) and their possible importance in its systematics
PLATE 4. Chorion of Anthocharis limonea. A. Lateral view; B. Detail of the base; C. Apex region; D. Apical view. i. Ribs; ii. Bulges on long axis.
PLATE 8 in Chorion exploration in the tribe Anthocharidini (Lepidoptera: Pieridae) and their possible importance in its systematics
PLATE 8. Chorion of Cunizza hirlanda planasia: i. Colapsed base; ii. Sharped apex; iii. Projections; iv. Ribs to the cusp.
PLATE 14 in Chorion exploration in the tribe Anthocharidini (Lepidoptera: Pieridae) and their possible importance in its systematics
PLATE 14. Photos of SEM of Anthocharis limonea (Figs. A, D), A. euphenoides (Figs. B, E), and Zegris eupheme (Figs. C, F). A–C. Aeropyles; D–F. Apex region.
PLATE 7 in Chorion exploration in the tribe Anthocharidini (Lepidoptera: Pieridae) and their possible importance in its systematics
PLATE 7. Chorion of Euchloe crameri: A. Lateral view; B. Apex region; C. Micropylar and perimicropylar region: i. Aeropyles; ii. Wreath; iii. Micropylar rosette.
PLATE 12 in Chorion exploration in the tribe Anthocharidini (Lepidoptera: Pieridae) and their possible importance in its systematics
PLATE 12. Chorion of Hesperocharis graphites avivolans. A. Lateral view; B. Detail of the base; C. Apex region: i. Projections. D. Micro-grid.
PLATE 17 in Chorion exploration in the tribe Anthocharidini (Lepidoptera: Pieridae) and their possible importance in its systematics
PLATE 17. Photos of SEM of Hesperocharis sp. A. Micropyle; B. Aeropyles; C. Apex region; D. Equatorial grid; E. Base. White arrows pointed out the micropylar pores.
FIGURE 4 in Egg morphology update based on new chorionic data of Potamanthus luteus (Linnaeus), Ephemera danica Müller and Oligoneuriella rhenana (Imhoff) (Insecta, Ephemeroptera) obtained by scanning electron microscopy
FIGURE 4. Egg morphology of Oligoneuriella rhenana: A, General shape of egg (scale bar = 50 μm). B, Detail of adhesive layer surface and lateral attachment structures (scale bar = 10 μm). Detailed of orifice in adhesive layer (C) (scale bar = 1 μm). D, Fiber coils without terminal fibers cluster in detail (scale bar = 1 μm). E, Fiber- coils with terminal knob in detail (scale bar = 5 μm).
FIGURE 3 in Egg morphology update based on new chorionic data of Potamanthus luteus (Linnaeus), Ephemera danica Müller and Oligoneuriella rhenana (Imhoff) (Insecta, Ephemeroptera) obtained by scanning electron microscopy
FIGURE 3. Egg morphology of Ephemera danica: A, General shape of egg oval-like. B, General shape of egg quadrangular-like (B) (scale bar = 50 µm). C, Detail of egg surface without complex extrachorion-adhesive layer showing the chorionic sculpturing (scale bar = 10 µm). D, Detail of thickness and complexity of layer forming the eggshell (scale bar = 1 µm). E, Chorionic sculpturing in detail (scale bar = 1 µm). F, Trace of sperm guide of micropyle in the complex extrachorion-adhesive layer (scale bar = 1 µm). G, Trace of sperm guide and proximal part of micropylar canal on chorion surface (scale bar = 1 µm).
FIGURE 2 in Egg morphology update based on new chorionic data of Potamanthus luteus (Linnaeus), Ephemera danica Müller and Oligoneuriella rhenana (Imhoff) (Insecta, Ephemeroptera) obtained by scanning electron microscopy
FIGURE 2. Egg morphology of Potamanthus luteus: A, General shape of fiber coils with terminal fibers cluster by light microscope (100x). B, Extrachorion and arrangement of lateral attachment structures and micropyles (scale bar = 10 μm). C, Chorionic sculpturing in detail (scale bar = 1 μm). D, Micropyle: sperm guide outlined by the extrachorion (scale bar = 1 μm)
FIGURE 1 in Egg morphology update based on new chorionic data of Potamanthus luteus (Linnaeus), Ephemera danica Müller and Oligoneuriella rhenana (Imhoff) (Insecta, Ephemeroptera) obtained by scanning electron microscopy
FIGURE 1. Egg morphology of Potamanthus luteus: A, General shape of egg with conical polar caps (scale bar = 50 µm). B, General shape of eggs by light microscope, showing flat and conical polar caps and many lateral attachment structures (40x). C, Flat polar cap form (scale bar = 10 µm). D, Fiber-coils with terminal fibers cluster coiled (scale bar = 5 µm). E, Fiber-coils with terminal fibers cluster uncoiled (scale bar = 10 µm).
FIGURES 24–29. Perlodes stigmata. 24. Egg, dorsal view. 25. Collar, dorsal view. 26, 27. Chorion structure. 28. Right everted male eversible paraproct lobe, posterior view. 29 in Redescription of Filchneria mongolica (Klapálek, 1901) (Plecoptera, Perlodidae) based on type eggs and fresh material from the Selenga and Amur River Basins of Russia and Mongolia
FIGURES 24–29. Perlodes stigmata. 24. Egg, dorsal view. 25. Collar, dorsal view. 26, 27. Chorion structure. 28. Right everted male eversible paraproct lobe, posterior view. 29 Head of male. Scale (mm): 28 = 0.0625.
FIGURES 13–18. 13–14 in Studies on the chorionic structure of the eggs of Corixoidea (Hemiptera: Heteroptera) with scanning electron microscopy
FIGURES 13–18. 13–14, Chorionic surface: 13, Sigara (Tropocorixa) rubyae; 14, Sigara (Tropocorixa) santiagiensis. 15, Sigara (Tropocorixa) santiagiensis, micropyle. 16–17, Sigara (Tropocorixa) schadei: 16, general view of the egg; 17, chorionic surface. 18, Sigara (Tropocorixa) yala, chorionic surface. Po: pore. Scale bars: Figs. 13–14, 18= 20 µm, Fig. 15= 10000 nm, Fig. 16= 100 µm, Fig. 17= 20000 nm.
FIGURES 19–24. 19–20 in Studies on the chorionic structure of the eggs of Corixoidea (Hemiptera: Heteroptera) with scanning electron microscopy
FIGURES 19–24. 19–20, Tenagobia (Incertagobia) incerta: 19, chorionic surface; 20, micropyle. 21–22, chorionic surface: 21, Tenagobia (Fuscagobia) fuscata; 22, Tenagobia (Schadeogobia) schadei. 23–24, Tenagobia (Tenagobia) pulchra: 23, chorionic surface; 24, micropyle. Po: pore. Scale bars: Fig. 19= 10000 nm, Figs. 20, 24= 20000 nm, Fig. 21= 2000 nm, Fig. 22= 100 µm, Fig. 23= 5000 nm.
FIGURES 1–6. 1–2 in Studies on the chorionic structure of the eggs of Corixoidea (Hemiptera: Heteroptera) with scanning electron microscopy
FIGURES 1–6. 1–2, Chorionic surface: 1, Ectemnostega (Ectemnostega) quadrata; 2, Ectemnostega (Ectemnostegella) quechua. 3–4, Trichocorixa mendozana: 3, micropyle; 4, chorionic surface. 5–6, Centrocorisa kollari: 5, chorionic surface; 6, detail of fine pores. CP: coarse puncture; Po: pore. Scale bars: Fig. 1 = 20 µm, Figs. 2, 5= 100 µm, Fig. 3= 20000 nm, Fig. 4= 50 µm, Fig. 6= 2000 nm.
FIGURES 7–12. 7–9 in Studies on the chorionic structure of the eggs of Corixoidea (Hemiptera: Heteroptera) with scanning electron microscopy
FIGURES 7–12. 7–9, Heterocorixa brasiliensis: 7, micropyle; 8, chorionic surface; 9, base of the stalk. 10–12, chorionic surface: 10, Sigara (Aphelosigara) tucma; 11, Sigara (Tropocorixa) denseconscripta; 12, Sigara (Tropocorixa) platensis. CP: coarse puncture. Scale bars: Figs. 7, 9= 50 µm, Figs. 8, 10, 11= 20 µm, Fig. 12= 10000 nm.
FIGURES 4−6. Araucoderus gloriosus eggs. 4. Egg cluster. 5. Single egg with chorion. 6 in The Neotropical tanyderid Araucoderus gloriosus (Alexander) (Diptera, Tanyderidae), with description of the egg, larva and pupa, redescription of adults, and notes on natural history
FIGURES 4−6. Araucoderus gloriosus eggs. 4. Egg cluster. 5. Single egg with chorion. 6. Single egg without chorion. Scale bars = 0.20 mm.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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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.