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1,732 results for “SPINE”
Correlative microscopy of rat cultured hippocampal pyramidal cell from 40x confocal imaging to super-resolution 93x 3D STED of dendritic spines
<p>This dataset contain multi-scale image of rat hippocampal pyramidal cell related to our paper "<em>From tissues to segmentation: a modular framework for multi-scale neuron isolation</em>" by Cauzzo et al. <strong>Nature Comm (2024).</strong></p>
Fig. 5 in Spatial Segregation of Diploid and Polyploids Spined Loaches (Сobitis elongatoides-taenia-tanaitica) in the River Systems of Western and Central Ukraine
Fig. 5. Changes in the frequency of polyploids in samples of spined loaches from the Teteriv River, depending on the distance from the mouth. The approximation is performed with a polynomial function.
Fig. 4 in Spatial Segregation of Diploid and Polyploids Spined Loaches (Сobitis elongatoides-taenia-tanaitica) in the River Systems of Western and Central Ukraine
Fig. 4. Frequencies of polyploids and its standard errors in different parts of the first and second-order tributaries of the Dnipro River system: Lower — lower third of the channel, Middle — middle part of the channel, Upper — upper third of the channel. The approximation is performed with a polynomial function.
Fig. 3 in Spatial Segregation of Diploid and Polyploids Spined Loaches (Сobitis elongatoides-taenia-tanaitica) in the River Systems of Western and Central Ukraine
Fig. 3. Frequency of polyploids in spined loach settlements and its standard errors of rivers with different channel lengths, as well as in accessory systems of the rivers (ASR) of the Western and Central Ukraine. The approximation is performed with a polynomial function.
Fig. 2 in Spatial Segregation of Diploid and Polyploids Spined Loaches (Сobitis elongatoides-taenia-tanaitica) in the River Systems of Western and Central Ukraine
Fig. 2. Frequencies of polyploids in spined loach settlements and its standard errors depending on the type of water system of the Western and Central Ukraine. M — main channel, Tr-1, Tr-2, Tr-3 — first, second, and the third-order tributaries, L — lakes. The approximation is performed with a polynomial function.
Fig. 1 in Spatial Segregation of Diploid and Polyploids Spined Loaches (Сobitis elongatoides-taenia-tanaitica) in the River Systems of Western and Central Ukraine
Fig. 1. Distribution of polyploid frequencies in spined loach settlements of the water systems of the Western and Central Ukraine. The approximation is performed with a polynomial function.
Fig. 7 in Chaetognath grasping spines from the Devonian of Poland: their structure and geochemistry
Fig. 7. Back scattered electron images of thin section made of Devonian Phakeloides polonicus gen. et sp. nov. spines from the upper Famennian, Ostrówka Quarry, Holy Cross Mountains, Poland. A. Longitudinal section of the spine showing the apatite phases of similar density of the middle and inner layers, ZPAL Cg. 2/Ost-Ch.48. B. Longitudinal section of the spine showing the apatite phases of similar density of the middle and inner layers as well as a thin cortex of slightly higher density, which may represent fragmentarily preserved outer layer, ZPAL Cg. 2/Ost-Ch.49.
Fig. 5 in Chaetognath grasping spines from the Devonian of Poland: their structure and geochemistry
Fig. 5. Transmitted light (A1, B1) and hot cathodoluminescence images (A2, B2) of Devonian Phakeloides polonicus gen. et sp. nov. grasping spine A, ZPAL Cg. 2/Ost-Ch.41) and Polygnathus sp. conodont element (B, ZPAL Cg. 2/Ost-C.45) from the upper Famennian, Ostrówka Quarry, Holy Cross Mountains, Poland. A2, weak to moderate red cathodoluminescence of the grasping spine and bright luminescence of some parts of its outermost rim area. B2, very weak yellow-red luminescence of conodont albid tissue and non-luminescent hyaline tissue.
Fig. 1 in Chaetognath grasping spines from the Devonian of Poland: their structure and geochemistry
Fig. 1. Geographical location (A) and simplified geologic map (B) of the Holy Cross Mountains with location of the studied exposure. C. Cross-section through the ledge of the Ostrówka Quarry. 1, peritidal carbonates (Kowala Formation); 2, condensed crinoidal-cephalopod limestone beds; 3, clay with limestone intercalations; 4, black radiolarian shale (Zaręby Beds); 5, carbonate gravity flows (after Szulczewski et al. 1996).
Fig. 4 in Chaetognath grasping spines from the Devonian of Poland: their structure and geochemistry
Fig. 4. Scanning electron microscope images of Devonian chaetognath grasping spines Phakeloides polonicus gen. et sp. nov. (A–D) and conodont elements (E) from the upper Famennian, Ostrówka Quarry, Holy Cross Mountains, Poland. A. ZPAL Cg. 2/Ost-Ch.31, cross-section throughout the spine showing massive mineral structure of the middle layer characterized by the conchoidal fracture, a reticular ornamentation of the surface of the middle layer is partially visible. B. ZPAL Cg. 2/Ost-Ch.32, longitudinal section throughout the spine showing a massive mineral structure characterized by uneven fracture, which is superimposed on minor breaks forming the second-order cleavage plane. A thin, cylindrical internal layer composed of finegrained calcium phosphate crystals is visible in the innermost portion of the spine wall, around the internal cavity. C. ZPAL Cg. 2/Ost-Ch.33, a surface of the middle layer of the spine showing oblique to the spine axis, primary fibrils, visible at its slightly, broken part, and less noticeable surface striations of the reticular ornamentation. D. ZPAL Cg. 2/Ost-Ch.34, D1, cross-section throughout the spine showing porous internal zones of the middle layer, which are divided by solid cylindrical zones, a thin, cylindrical internal layer is visible in the innermost portion of the spine wall; D2, three layers in the wall of the basal portion of the spine: a thin, most internal, layer (a), the middle layer (b), and the outer layer (c). E. ZPAL Cg. 2/Ost-C.38, cross-section throughout Polynodosus sp. conodont element showing innermost pillar-like structure of densely packed, weakly lamellar, albid (white matter) tissue, and outer hyaline tissue composed of oblique apatite lammelae. The outermost portion of the conodont element consists of paralamellar variety of the hyaline tissue of more chaotic structure.
Рис. 1. Seychelliceps cooperi comb. nov., ЗММУ № 23252, 155 мм SL (1, 3, 5, 7, 9) и Suggrundus macracanthus, ИОРАН, Вьетнам, заΛ. Нячанг, 124 мм SL (2, 4, 6, 8, 10, 11), ΑетаΛи строения: 1, 2 — верхний преоперкуΛярный шип; 3, 4 — гребешки и/иΛи бугорки костей крыши черепа в загΛазничной части; 5, 6 — заΑний конец премаксиΛΛярных зубных Λент; 7, 8 — форма небных зубных Λент; 9, 10 — чешуи преΑорсаΛьной обΛасти; 11 — восьмая чешуйка боковой Λинии (окрашена аΛизарином красным S). Масштаб: 1, 2, 4, 7, 8 — 2,5 мм (7, 8 — Λинейка общая); 3 — 5 мм; 5, 9, 10 — 3 мм; 6 — 2 мм; 11 — 0,3 мм Fig. 1. Seychelliceps cooperi comb. nov., ZMMU no. 23252, 155 mm SL (1, 3, 5, 7, 9) and Suggrundus macracanthus, IORAS, Vietnam, Nha Trang Bay, 124 mm SL (2, 4, 6, 8, 10, 11), details: 1, 2 — uppermost preopercular spine; 3, 4 — crests and/or tubercles of cranial roofing bone in postorbital portion of head; 5, 6 — posterior ending of premaxillary tooth band; 7, 8 — shape of tooth band on palatine; 9, 10 — predorsal scales; 11 — eighth scale of lateral line (stained by alizarine red S). Scale bars: 1, 2, 4, 7, 8 — 2.5 mm (7, 8 — common bar); 3 — 5 mm; 5, 9, 10 — 3 mm; 6 — 2 mm; 11 — 0.3 mm in Of The Genus (Teleostei: Scorpaeniformes)
Рис. 1. Seychelliceps cooperi comb. nov., ЗММУ № 23252, 155 мм SL (1, 3, 5, 7, 9) и Suggrundus macracanthus, ИОРАН, Вьетнам, заΛ. Нячанг, 124 мм SL (2, 4, 6, 8, 10, 11), ΑетаΛи строения: 1, 2 — верхний преоперкуΛярный шип; 3, 4 — гребешки и/иΛи бугорки костей крыши черепа в загΛазничной части; 5, 6 — заΑний конец премаксиΛΛярных зубных Λент; 7, 8 — форма небных зубных Λент; 9, 10 — чешуи преΑорсаΛьной обΛасти; 11 — восьмая чешуйка боковой Λинии (окрашена аΛизарином красным S). Масштаб: 1, 2, 4, 7, 8 — 2,5 мм (7, 8 — Λинейка общая); 3 — 5 мм; 5, 9, 10 — 3 мм; 6 — 2 мм; 11 — 0,3 мм Fig. 1. Seychelliceps cooperi comb. nov., ZMMU no. 23252, 155 mm SL (1, 3, 5, 7, 9) and Suggrundus macracanthus, IORAS, Vietnam, Nha Trang Bay, 124 mm SL (2, 4, 6, 8, 10, 11), details: 1, 2 — uppermost preopercular spine; 3, 4 — crests and/or tubercles of cranial roofing bone in postorbital portion of head; 5, 6 — posterior ending of premaxillary tooth band; 7, 8 — shape of tooth band on palatine; 9, 10 — predorsal scales; 11 — eighth scale of lateral line (stained by alizarine red S). Scale bars: 1, 2, 4, 7, 8 — 2.5 mm (7, 8 — common bar); 3 — 5 mm; 5, 9, 10 — 3 mm; 6 — 2 mm; 11 — 0.3 mm
FIGURE 28. Cheiracanthus latus pectoral spines, serial transverse section drawings. 1, NMS G.2018.28.26 in A redescription of the three longest-known species of the acanthodian Cheiracanthus from the Middle Devonian of Scotland
FIGURE 28. Cheiracanthus latus pectoral spines, serial transverse section drawings. 1, NMS G.2018.28.26 (see Figure 27): sketch map and drawings of each section. 2, NMS G.2019.3.7 (see Figure 6.7, 8): sections NMS G.2019.3.7.6-12 through pectoral spines and scapulocoracoid.
FIGURE 17. Cheiracanthus grandispinus pectoral region, spines morphology. 1, USCP F00130a from Achanarras, whole fish. 2, NMS G in A redescription of the three longest-known species of the acanthodian Cheiracanthus from the Middle Devonian of Scotland
FIGURE 17. Cheiracanthus grandispinus pectoral region, spines morphology. 1, USCP F00130a from Achanarras, whole fish. 2, NMS G.FR1810 from Achanarras, scapulocoracoids and pectoral fin spines. 3, NMS G.2019.9.12, isolated scapulocoracoid from Achanarras. 4, disarticulated incomplete fish NMS G.2019.9.10.1 from Cromarty,?two pectoral, one median (?dorsal), one pelvic spine. Scale bars equal 50 mm in 1, 10 mm in 3, 4, 2 mm in 2. cor, coracoid; fs, indeterminate fin spine, probably a pelvic; median fs, dorsal or anal fin spine; pect.fs, pectoral fin spine; pect. fw, pectoral fin web; sc.s, scapular shaft. Anterior to right.
FIGURE 9. Cheiracanthus murchisoni spines and scapulocoracoid morphology. 1, NMS G.1891.92.307 in A redescription of the three longest-known species of the acanthodian Cheiracanthus from the Middle Devonian of Scotland
FIGURE 9. Cheiracanthus murchisoni spines and scapulocoracoid morphology. 1, NMS G.1891.92.307 from Gamrie, specimen showing disposition and relative sizes of fin spines and scapulocoracoid. 2, NMS G.1973.12.120 from Lethen Bar, articulated scapulocoracoid and pectoral fin spine. 3, QMF60005 from Tynet Burn, scapulocoracoid 'shell' with calcified cartilage core and calcified separation between molds of scapula and coracoid elements. 4, 5, NMS G.2019.9.27 from Edderton, pectoral spine. 6, NMV P29287 from Gamrie, anal fin spine, web, and basal cartilage. 7, NRM P1654 from Tynet Burn, dorsal fin spine with basal cartilage. 8, NMS G.1972.23.1 from Lethen Bar, dorsal fin spine with basal cartilage. Scale bars equal 20 mm in 1, 2, 6-8, 2 mm in 3-5. a.fs, anal fin spine; bc, basal cartilage; cor.m, coracoid mold; d.fs, dorsal fin spine; pect.fs, pectoral fin spine; pelv.fs, pelvic fin spines; sc.m, scapula mold.Arrow indicates anterior.
Fig. 2 in A mysterious wing spine in male coffee berry borers (Coleoptera: Curculionidae: Scolytinae)
Fig. 2. Low temperature-scanning electron microscope photographs showing the wing spine in three lef wings (a, b, c), and a detail of the spine (d).
Fig. 2 in Morphological and morphometric differentiation of dorsal-spined first stage larvae of lungworms (Nematoda: Protostrongylidae) infecting muskoxen (Ovibos moschatus) in the central Canadian Arctic
Fig. 2. Laboratory guide for the differentiation of L1 of U. pallikuukensis and V. eleguneniensis. The guide is based on key morphological features supported by morphometric data of heat killed L1. These features were characteristic of each of the species as visible under 400 × magnification.
Fig. 1 in Morphological and morphometric differentiation of dorsal-spined first stage larvae of lungworms (Nematoda: Protostrongylidae) infecting muskoxen (Ovibos moschatus) in the central Canadian Arctic
Fig. 1. Morphology of first stage larva (L1) of Umingmakstrongylus pallikuukensis. Photomicrograph of U. pallikuukensis L1 taken at 400 × magnification in differential interference contrast indicating the location of relevant important anatomical structures.
Fig. 3 in Morphological and morphometric differentiation of dorsal-spined first stage larvae of lungworms (Nematoda: Protostrongylidae) infecting muskoxen (Ovibos moschatus) in the central Canadian Arctic
Fig. 3. Morphology of Cystocaulus ocreatus first stage larva (L1). Photomicrograph of C. ocreatus L1 collected from Uzbekistan (US National Parasite Collection No. 95144) taken at 400 × magnification in differential interference contrast showing ventral post-anal cuticular striations and overall elongated structure of the tail spike similar to U. pallikuukensis.
Fig. 3 in Phylogeography of Long-spined Sea Urchin Across the Indo-Malay Archipelago.
Fig. 3. Diadema setosum. Minimum-spanning network of COI gene haplotypes. Area of circle proportional to haplotype frequency in total sample; length of branch proportional to number of mutations (scale bar: one mutational step) except alternative links between haplotypes, where number of mutational steps is represented by a series of perpendicular dashes. A few such links between distant haplotypes were omitted for better readability. White: haplotype sampled from Group-1 D. setosum; hachured white: Group-2; black: Sub-group-3a; grey: Sub-group-3b.
Fig. 2 in Phylogeography of Long-spined Sea Urchin Across the Indo-Malay Archipelago.
Fig. 2. Phylogeographic structure of Diadema setosum in the Indo-Malay archipelago. A: Multidimensional scaling plot based on the matrix of pairwise ФST (T92+G model; Arlequin). Ellipses delineate groups of samples designated by hierarchical clustering. Abbreviations for samples as in table 1. B: Pairwise estimates of genetic differentiation plotted against the logarithm of geographic distance [ln(gD), gD in km]. Black circles (●) intra-group comparisons; open circles (○) (resp. triangles): inter-group comparisons involving Group 1 (resp. Group 2).
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