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209 results for “scanning electron microscopy”
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 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.
Figure 12. Scanning electron microscopy, Wandella stuartensis Gray 1994 in On new or poorly known Australian Filistatidae spiders (Araneae: Araneomorphae), including a study on the fine morphology of Wandella
Figure 12. Scanning electron microscopy, Wandella stuartensis Gray 1994, male from Mallara Station, New South Wales (AM KS.91534), right palp. (A) Bulb and cymbium, prolateral. (B) Embolus and paraembolic lamina, prolateral. Inset showing apex of paraembolic lamina. (C) Bulb and cymbium, apical. (D) Bulb and cymbium, dorsal. (E) Bulb and cymbium, retrolateral. (F) Embolus and paraembolic lamina, retrolateral. Abbreviations: Cy, cymbium; E, embolus; ES, embolus slit; O, embolus opening; PL, paraembolic lamina.
Figure 6. Scanning electron microscopy, Wandella stuartensis Gray 1994 in On new or poorly known Australian Filistatidae spiders (Araneae: Araneomorphae), including a study on the fine morphology of Wandella
Figure 6. Scanning electron microscopy, Wandella stuartensis Gray 1994, male from Mallara Station, New South Wales (AM KS.91534). (A) Left leg I, retrolateral. (B) Same, apex of metatarsus. Notice absence of a distal macroseta. (C) Tarsus tip. (D) Apex of metatarsus, dorsolateral. Abbreviations: Ch, chemosensory seta; MeS, metatarsal stopper; SS, slit sensilla; Tr, trichobothrial socket. Arrows to the position of some tricobothria.
Figure 5. Scanning electron microscopy, Wandella stuartensis Gray 1994 in On new or poorly known Australian Filistatidae spiders (Araneae: Araneomorphae), including a study on the fine morphology of Wandella
Figure 5. Scanning electron microscopy, Wandella stuartensis Gray 1994, female from Sturt National Park, New South Wales (AM KS.78864), appendages. (A) Right chelicerae, retromargin. (B) Same, promargin. Inset showing detail of cheliceral glands. (C) Right palpal tarsus and tibia, prolateral. Inset showing detail of the claw. (D) Right leg IV, tarsus, retrolateral. Inset showing tarsal organ. (E) Right leg IV, calamistrum. (F) Same, detail of calamistrum setae. (G) Right metatarsus IV, dorsolateral. Abbreviations: Ch, chemosensory seta; CL, apex of the chelicera lamina; FS, fang serrula; PrL, promarginal lobe; MeS, metatarsal stopper; SS, slit sensilla; Tr, trichobothrial socket; VO, venom outlet.
Figure 7. Scanning electron microscopy, Wandella stuartensis Gray 1994 in On new or poorly known Australian Filistatidae spiders (Araneae: Araneomorphae), including a study on the fine morphology of Wandella
Figure 7. Scanning electron microscopy, Wandella stuartensis Gray 1994, male from Mallara Station, New South Wales (AM KS.91534). (A) Posterior tracheal spiracles, ventral. (B) Epiandrium, ventral. (C) Spinnerets, ventral. (D) Cribellum, ventral. (E) Right ALS, subventral. Notice strand of silk. (F) PMS and PLS, ventral. Abbreviations: ALS, anterior lateral spinnerets; Ch, chemosensory seta; Cr, cribellum; MAP, major ampullate gland spigot; mAP, minor ampullate gland spigot; MS, modified seta; PC, paracribellar gland spigot; Pi, piriform gland spigot; PLS, posterior lateral spinnerets; PMS, posterior median spinnerets; S, tracheal spiracle; Si, strand of silk.
Figure 8. Scanning electron microscopy, Wandella stuartensis Gray 1994 in On new or poorly known Australian Filistatidae spiders (Araneae: Araneomorphae), including a study on the fine morphology of Wandella
Figure 8. Scanning electron microscopy, Wandella stuartensis Gray 1994, female from Sturt National Park, New South Wales (AM KS.78864). (A) Spinnerets, ventral view. (B) Cribellum, ventral view. Inset showing cribellar spigots. (C) Right ALS, ventral view. (D) PMS and PLS, ventral view. (E) Right PMS, subventral view. (F) Right PLS, ventral view. Abbreviations: ALS, anterior lateral spinnerets; Ch, chemosensory seta; Cr, cribellum; MAP, major ampullate gland spigot; mAP, minor ampullate gland spigot; MS, modified seta; PC, paracribellar gland spigot; Pi, piriform gland spigot; PLS, posterior lateral spinnerets; PMS, posterior median spinnerets.
Figure 4. Scanning electron microscopy, Wandella stuartensis Gray 1994 in On new or poorly known Australian Filistatidae spiders (Araneae: Araneomorphae), including a study on the fine morphology of Wandella
Figure 4. Scanning electron microscopy, Wandella stuartensis Gray 1994, female from Sturt National Park, New South Wales (AM KS.78864), cephalothorax. (A) Dorsal view. (B) Eye region, lateral view. (C) Ventral view. Inset showing vestigial sigilla. (D) Mouth region, ventral view. Abbreviations: Mu, muscles; SSt, sucking stomach.
Figure 3. Scanning electron microscopy, Wandella stuartensis Gray 1994 in On new or poorly known Australian Filistatidae spiders (Araneae: Araneomorphae), including a study on the fine morphology of Wandella
Figure 3. Scanning electron microscopy, Wandella stuartensis Gray 1994, male from Mallara Station, New South Wales (AM KS.91534). (A) Cephalothorax, dorsal. (B) Eyes and clypeus, dorsal. Inset showing apodeme. (C) Same, lateral. (D) Cephalothorax, anterior. (E) Unsclerotized region of the clypeus, anterior, detail of projections. (F) Cephalothorax, ventral. Abbreviations: A, apodeme; CS, clypeal step.
FIGURE 1 in Scanning electron microscopy of Chordodes moutoni Camerano, 1895 (Gordiida, Nematomorpha)
FIGURE 1: SEM. Lectotype male. A: complete view of the posterior end from the ventral side, cloacal opening (c) with circumcloacal spines, cuticle with short bristles (small arrow) and bristlefields anterolateral of the cloacal opening (large arrow), scale bar= 100 µm; B: general view of midbody cuticle, scale bar= 250 µm; C: midbody cuticle, areoles types 1–3, scale bar= 10 µm; D: lateral view of midbody cuticle, areoles types 1–5, scale bar= 25 µm; E: areolar clusters containing types 4 and 5 on lateral body, scale bar= 10 µm.
FIGURE 2 in Scanning electron microscopy of Chordodes moutoni Camerano, 1895 (Gordiida, Nematomorpha)
FIGURE 2: SEM. Lectoparatype female. A: posterior end with terminal cloacal opening (large arrow) and short bristles (small arrow), scale bar= 50 µm; B: crowned areoles (type 6) with long filaments in the longitudinal ventral groove, scale bar= 250 µm; C: areolar clusters in detail containing types 5 and 6 in the ventral midline, scale bar= 10 µm.
FIGURE 52 in Scanning electron microscopy study of Lars Silén's cheilostome bryozoan type specimens in the historical collections of natural history museums in Sweden
FIGURE 52. Sphaerulobryozoon ovum (Smitt, 1873) n. comb. North Atlantic Ocean, off Tennessee Reef, Florida, United States. A–G. Paralectotypes SMNH-Type-1799b-e. H, I. Lectotype (designated here) SMNH-Type-1799a. A, C, F–H. Lateral views of the four paralectotypes and the lectotype. B. Close-up of two zooids showing the terminal, cormidial orifice and interzooidal avicularia along the zooidal margins. D, E. Close-up of orifices and avicularia. I. Ovicellate zooid. Scale bars: A, C, F, H = 500 µm; B, D = 200 µm; E = 100 µm; G = 1 mm; I = 300 µm.
FIGURE 49 in Scanning electron microscopy study of Lars Silén's cheilostome bryozoan type specimens in the historical collections of natural history museums in Sweden
FIGURE 49. Anoteropora latirostris Silén, 1947a. Indian Ocean, Bab-el-Mandeb, Aden Island. A, B. Paralectotype SMNH- Type-8746b. C, D. Paralectotype SMNH-Type-8746c. E, F. Paralectotype SMNH-Type-8746d. A, C. General view of two young, subcircular colonies with ancestrulae. B, D. Close-up of the ancestrula and periancestrular zooids. E. View of the dorsal side of a colony fragment. F. Close-up of the dorsal side showing the large, distal pore chamber window and part of the ovicells at the colony growing edge. Scale bars: A, C, E = 1 mm; B, D = 500 µm; F = 400 µm.
FIGURE 47 in Scanning electron microscopy study of Lars Silén's cheilostome bryozoan type specimens in the historical collections of natural history museums in Sweden
FIGURE 47. Flabellopora lingua Silén, 1947a. Holotype UPSZTY 2221, Japan. A. General view of the colony fragment subsampled from the holotype. B–D. Autozooids and avicularia of different sizes at colony edge. E. Close-up of an autozooid surrounded by avicularia. Scale bars: A = 200 µm; B, D, E = 100 µm; C = 50 µm.
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