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123 results for “Light microscopy”
Figures 61-64 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 61-64 Quasicalathus elpis (Ortuño and Arillo 2009), volume rendering of specimens "MAIG 76" (61–63.) and "GZG 16185" (64.); 61. Dorsal aspect; 62. Right lateral aspect; 63, 64. Pronotum (the pronotal outline on left side is highlighted by dotted line in Fig. 64).
Figures 39-46 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 39-46 Quasicalathus elpis (Ortuño and Arillo 2009), volume rendering of specimen "Groehn 7814" using different grey scales of the Amira software. 39. Dorsal aspect; 40. Lateral aspect. The displaced aedeagus (highlighted by red colour) was separated by the segmentation function of Amira software in Figures 39 and 40; 41. Head (the arrows point to the insertions of the supraorbital setae); 42. Pronotum (the arrows point to the insertions of the lateral setae); 43–46. Remains of the aedeagus in right lateral aspect (43.); Left lateral aspect (44.); Left lateral aspect (45.); Dorsal aspect (46.). The distal margins of the styloid apophysis of the right paramere in Fig. 43 and the lobate apophysis of the left paramere in Fig. 45 are highlighted by red dotted lines. Abbreviations: bb – basal bulb of aedeagal median lobe; os – distal ostium; pml – left paramere; pmr – right paramere; tl – terminal lamella of median lobe.
Figures 78-80 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 78-80 Quasicalathus conservans sp. nov., volume rendering of the holotype using different grey scales of the Amira software. 78. Dorsal aspect; 79. Left lateral aspect (aed – aedeagus); 80. Ventral aspect; the aedeagus (highlighted by red colour) was separated by the segmentation function of Amira software.
Figures 52-57 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 52-57 Quasicalathus elpis (Ortuño and Arillo 2009), volume rendering of specimen "Groehn 7889". 52. Head, ventral aspect (the arrows point to the insertions of the setae near base of mentum tooth and on submentum); 53. Abdomen, left lateral aspect (the arrows point to the insertions of the setae on ventrites IV, V, and VI); 54. Metacoxal area (the arrows point to the insertions of the coxal setae); 55. Apical gonocoxites, ventral aspect; 56. Apical gonocoxites, dorsal aspect; 57. Gonocoxites and remains of the bursa copulatrix (the latter was highlighted by red colour using the segmentation function of Amira software). Abbreviations: at – apical tooth of retinacle; kes – metathoracic katepisternum; cx – metacoxa; cxp – metacoxal plate; des – dorsal ensiform setae; ep – elytral epipleuron; fm – metafemur; gu – gula; mdl – left mandible; gx1 – basal gonocoxite; gx2 – apical gonocoxite; mdr – right mandible; mo – molar; mt – mentum; sp – sensory pit; tr – metatrochanter; ves – ventral ensiform setae; v3, v4, v5, v6 – ventritres III, IV, V, VI.
Figures 73-77 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 73-77 Quasicalathus agonicollis sp. nov., volume rendering of specimen "GZG 16188". 73. Dorsal aspect; 74. Basal portion of pronotum and anterior part of elytra (right side of body; the arrows point to the insertions of the pronotal basolateral seta and the parascutellar seta); 75. Prosternum with basal portion of prolegs; 76. Left apical gonocoxite, ventral aspect; 77. Gonocoxites, ventral aspect. Abbreviations: cx – procoxa; des – dorsal ensiform setae; fm – profemur; gx1 – basal gonocoxite; gx2 – apical gonocoxite; hm – humerus; pst – prosternum; sc – scutellum; sps – setae of sensory pit; tr – protrochanter; ves – ventral ensiform setae.
Figures 13-17 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 13-17 Quasicalathus elpis (Ortuño and Arillo 2009), light microscopic images of specimens "CCHH 952" (13–15.) and "OSAC 269" (16, 17.). 13. Dorsal view of body; 14. Pronotum and anterior part of elytra showing the markedly concave basal margin and projected humeri (the white arrows point the insertion pores of the parascutellary setae); 15, 17. General view of the amber pieces; 16. Posterior part of left elytron (the white arrow points to the insertion of the discal seta).
Figures 18-24 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 18-24 Quasicalathus, light microscopic images of Q. elpis Ortuño & Arillo, 2009 (18–20.) and Q. agonicollis sp. nov. (21–24.). 18. General view of the amber piece "MAIG 76" (only that part of the large amber piece bearing the Quasicalathus fossil is shown; the fossil is widely covered by milky coating); 19. General view of the two fragments of specimen "GZG 16185"; the left one bears only the negative imprint of the left elytra on the inclusion wall; 20. Right anterior part of body of specimen "GZG 16185" showing part of head, pronotum and humerus; 21, 22. General view of the amber piece "GZG 16188" (21. With fossil in dorsal view; 22. In ventral view); 23. Anterior part of specimen "GZG 16188"; 24. Head of specimen "GZG 16188". Abbreviations: a1–a6 – antennomeres 1–6; as – anterior supraorbital seta; bs – pronotal laterobasal seta; ms – pronotal lateral seta; ps – posterior supraorbital seta.
Figures 58-60 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 58-60 Quasicalathus elpis (Ortuño and Arillo 2009), volume rendering of the dorsal aspects of specimens "Groehn 7962" (58.), "CCHH 952" (59.), and "OSAC 265" (60.).
Figures 65-72 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 65-72 Quasicalathus agonicollis sp. nov., volume rendering of the holotype using different grey scales of the Amira software. 65. Dorsal aspect (the negative imprint of the fossil on the inclusion wall is shown); 66. Basal portion of pronotum and anterior part of elytra (positive of the fossilized beetle is shown; the arrows point to the insertions of the pronotal basolateral setae and the parascutellar setae); 67. Metacoxa (the arrows point to the insertions of the three coxal setae each side); 68–71. Aedeagus in dorsal aspect (68.), Right lateral aspect (69.), Ventral aspect (70.), Left lateral aspect (71.); The remains of the parameres are coloured (red: left paramere; green: right paramere); 72. left lateral aspect of beetle body; the aedeagus (highlighted by red colour) was separated by the segmentation function of Amira software. Abbreviations: bb – basal bulb of aedeagal median lobe; hm – humerus; os – distal ostium of median lobe; sc – scutellum; tl – terminal lamella of median lobe.
Figures 1-5 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 1-5 Quasicalathus elpis (Ortuño and Arillo 2009), light microscopic images of specimens "Groehn 4879" (1–3.) and "Groehn 7814" (4, 5.). 1, 5. General view of the amber pieces; 2. Ventral side of head (the white arrow points to the mentum tooth; note that the mentum is somewhat detached from the head capsule); 3. Pronotum and anterior part of elytra showing the markedly concave basal margin and projected humeri; 4. Right lateral view of body.
Figures 25-30 from: Schmidt J, Scholz S, Will K (2022) Character analysis and descriptions of Eocene sphodrine fossils (Coleoptera, Carabidae) using light microscopy, micro-CT scanning, and 3D imaging. Deutsche Entomologische Zeitschrift 69(1): 19-44. https://doi.org/10.3897/dez.69.79931
Figures 25-30 Quasicalathus agonicollis sp. nov., light microscopic images of specimen "GZG 16188" (25–26.) and the holotype (28–30.). 25. Posterior part of pronotum and anterior part of elytra, right side; 26. Anterior part of fifth interval of left elytra showing microsculpture; 27. Posterior part of elytra (the arrows point to the insertions of the discal setae); 28. General view of the amber piece; 29. Right dorsal view of beetle body (the arrow points to the insertion of the discal seta on left elytron); 30. Left ventral view. Abbreviations: bs – insertion of the pronotal laterobasal seta; hm – humerus; m – mite (syninclusion).
◂Fig. 5 Cells of phylogenetically related strains (light microscopy). a Thecate cell in dorsal view. b Thecate cell in ventral view, note the sulcus extending onto the epitheca (arrow). c Putatively necrotic, thecate cell. d Thecate cell with one bulge on the epitheca (arrow), note that this was the only such cell among thousands of inspected cells. e, f Coccoid cells, apparently without thecae. g Two thecate cells enclosed in the parental theca. h Two connected, immotile cells enclosed in the parental thecae. j Lid of epitheca in dorsal-apical view (mirrored), composed of plates 2′‒4′, all intercalary plates and plates 2′′‒6′′. l‒m Same opened theca in ventral view (l) and dorsal view (m), note the sulcus extending onto the epitheca (arrow), the dorsal opening and all apical and all intercalary plates and plates 3′′‒5′′ remaining with the hypotheca. n Chloroplasts (as inferred from autofluorescence), note the space occupied by the nucleus. Plate labelling follows the Kofoidean notation, n′: apical plate; n′′: precingular plate; n′′′: postcingular plate; na: anterior intercalary plate. Scale= 10 µm in Bumps on the back: An unusual morphology in phylogenetically distinct Peridinium aff. cinctum (= Peridinium tuberosum; Peridiniales, Dinophyceae)
◂Fig. 5 Cells of phylogenetically related strains (light microscopy). a Thecate cell in dorsal view. b Thecate cell in ventral view, note the sulcus extending onto the epitheca (arrow). c Putatively necrotic, thecate cell. d Thecate cell with one bulge on the epitheca (arrow), note that this was the only such cell among thousands of inspected cells. e, f Coccoid cells, apparently without thecae. g Two thecate cells enclosed in the parental theca. h Two connected, immotile cells enclosed in the parental thecae. j Lid of epitheca in dorsal-apical view (mirrored), composed of plates 2′‒4′, all intercalary plates and plates 2′′‒6′′. l‒m Same opened theca in ventral view (l) and dorsal view (m), note the sulcus extending onto the epitheca (arrow), the dorsal opening and all apical and all intercalary plates and plates 3′′‒5′′ remaining with the hypotheca. n Chloroplasts (as inferred from autofluorescence), note the space occupied by the nucleus. Plate labelling follows the Kofoidean notation, n′: apical plate; n′′: precingular plate; n′′′: postcingular plate; na: anterior intercalary plate. Scale= 10 µm
◂Fig. 3 Historically described phenotypical variations and yet undiscovered deviations in the plate pattern of P. volzii. b–c, f, i, l–m Light microscopy, a, d–e, g–h, k scanning electron microscopy. a–f Newly identified deviations a–b plate 4′′ pentagonal in strains a GeoM*793; b GeoM*788; c plate 2a split (strain GeoK*024); d plates 2′′ and 3′′ fused (strain GeoM*866); e plates 1′′′ and 1′′′′ fused (strain GeoM*788); f plates 1a and 3′ fused (strain GeoM*788). g–m Historic infraspecific taxa; g P. guestrowiense forma lineatum (strain GeoM*866); h P. guestrowiense forma compressum (strain GeoM*866); i P. guestrowiense subvar. originale (strain GeoK*024); k P. volzii var. cinctiforme (strain GeoM*793); l P. volzii var. simplex (strain GeoM*789); m P. volzii forma complexum (strain GeoM*793). Abbreviations: n′: apical plate, n′′: precingular plate, n′′′: postcingular plate, n′′′′: antapical plate, na: anterior intercalary plate, nC: cingular plate, split or fused plates are indicated by asterisks. Scale bar= 10 µm. U A= 15 kV in Morphological and molecular variability of Peridinium volzii Lemmerm. (Peridiniaceae, Dinophyceae) and its relevance for infraspecific taxonomy
◂Fig. 3 Historically described phenotypical variations and yet undiscovered deviations in the plate pattern of P. volzii. b–c, f, i, l–m Light microscopy, a, d–e, g–h, k scanning electron microscopy. a–f Newly identified deviations a–b plate 4′′ pentagonal in strains a GeoM*793; b GeoM*788; c plate 2a split (strain GeoK*024); d plates 2′′ and 3′′ fused (strain GeoM*866); e plates 1′′′ and 1′′′′ fused (strain GeoM*788); f plates 1a and 3′ fused (strain GeoM*788). g–m Historic infraspecific taxa; g P. guestrowiense forma lineatum (strain GeoM*866); h P. guestrowiense forma compressum (strain GeoM*866); i P. guestrowiense subvar. originale (strain GeoK*024); k P. volzii var. cinctiforme (strain GeoM*793); l P. volzii var. simplex (strain GeoM*789); m P. volzii forma complexum (strain GeoM*793). Abbreviations: n′: apical plate, n′′: precingular plate, n′′′: postcingular plate, n′′′′: antapical plate, na: anterior intercalary plate, nC: cingular plate, split or fused plates are indicated by asterisks. Scale bar= 10 µm. U A= 15 kV
Figures 1-2 from: Brito P, Targueta C, Arruda W, Santos F, Bastos R (2019) The sexual dimorphic inguinal glands of the frog species Ololygon centralis (Anura: Hylidae) at light and transmission electron microscopy. Zoologia 36: 1-9. https://doi.org/10.3897/zoologia.36.e29356
Figures 1-2 Photographs of the lateral sides of a O.centralis male (1) and female (2). The dashed line marks the limit of the inguinal gland in males that are absent in females. Scale bars: 1 mm.
Figures 11-15 from: Brito P, Targueta C, Arruda W, Santos F, Bastos R (2019) The sexual dimorphic inguinal glands of the frog species Ololygon centralis (Anura: Hylidae) at light and transmission electron microscopy. Zoologia 36: 1-9. https://doi.org/10.3897/zoologia.36.e29356
Figures 11-15 Electron micrographs of the serous glands of the inguinal region. (11) Low magnification of the secretory syncytium with two visible nuclei (n) and also a sizeable cytoplasmic secretion aggregate (s). Notice the syncytium center (sc) filled with electron dense secretion and also the clear space (*) between syncytium basis and myoepithelial cells (m). Around the myoepithelial cells are some collagen fibrils (co). (12–13) Medium magnification of syncytium, where it is possible to notice some cytoplasmic secretion aggregate (s) and some regions of the cytoplasm with medium electron density (c). (14–15) Major magnifications of two large cytoplasmic secretion aggregate, with mixed portions of electron dense secretion (s) with medium electron density cytoplasm (c). (p) basal digitiform projections; (rer) rough endoplasmic reticulum. Sacale bars: 14, 15 = 1 μm, 12, 13 = 3 μm, 11 = 5 μm.
Figures 3-10 from: Brito P, Targueta C, Arruda W, Santos F, Bastos R (2019) The sexual dimorphic inguinal glands of the frog species Ololygon centralis (Anura: Hylidae) at light and transmission electron microscopy. Zoologia 36: 1-9. https://doi.org/10.3897/zoologia.36.e29356
Figures 3-10 Photomicrographs of histological sections of the male inguinal gland region of O.centralis. (3–6, 8) Histological sections stained with HE. 3) Section of skin from the peripherical region of the inguinal gland. Notice that only mucous glands are present. 4) Low magnification micrograph showing the presence of many syncytial glands (g), with arrows indicating the lateral limits of the inguinal gland. (4–6) Major magnifications of the glandular apical portion, with many melanocytes (m), mucous glands (mc) and myoepithelial cells (open arrows). Note the glandular ducts (dc). 7) Histological section submitted to PAS reaction. Notice that only some cells of the mucous glands (mc) exhibit a positive reaction (arrowheads). (8) Major magnification of the lateral base portion of the syncytium, with colloidal secretion (s) in syncytium cytoplasm. Note also a blood vessel in the connective tissue. (9) Methacrylate section treated with potassium permanganate and oxalic acid and stained with Nile blue. Notice the bleached melanocytes (m) and some syncytial cytoplasmic projections (*) through the glandular secretion (s). (10) Methacrylate section stained with toluidine blue. Notice the pale blue color of the secretion suggesting it is alkaline, contrasting with the dark blue color of the glandular syncytium (gs). (e) epidermis; (d) dermis; (black open arrow) myoepithelial cells; (c) blood cells. Scale bars: 5, 6, 8 = 10 μm, 3, 7, 9, 10 = 20 μm; 4 = 200 μm.
Figures 16-18 from: Brito P, Targueta C, Arruda W, Santos F, Bastos R (2019) The sexual dimorphic inguinal glands of the frog species Ololygon centralis (Anura: Hylidae) at light and transmission electron microscopy. Zoologia 36: 1-9. https://doi.org/10.3897/zoologia.36.e29356
Figures 16-18 (16) The basal portion of the syncytium with digitiform projections (p) and the clear space (*) between them and the myoepithelial cells. Notice the myoepithelial cells nuclei (n) and the collagen fibrils. (17) Detail of the connective tissue between two neighbor alveoli, with myoepithelial cells (m) and collagen fibrils (c). (18) The basal portion of a syncytium with intricate projection labyrinth. Notice the syncytium nucleus with irregular outline (n). Scale bars: 18 = 1 μm, 16, 17 = 3 μm.
Fluorescence, Light-microscopy, Ultrasound Integrated / Intraoperative Diagnosis to MAXimise Resection
ClinicalTrials.gov study NCT05330559. IPD Sharing: NO. Countries: 0. Publications: 8.
Evaluating Light-tissue Reaction and Transdermal Drug Delivery by Multiphoton Microscopy
ClinicalTrials.gov study NCT01355328. IPD Sharing: Not stated. Countries: 1. Publications: 0.
3D Reconstruction of Neuronal Allometry and Neuromuscular Projections in Asexual Planarians Using Expansion Tiling Light Sheet Microscopy dataset1
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