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1,324 results for “Soft tissue”
Data from: A pioneering experimental investigation of a novel in-situ dynamic characterization of the tensile/compression stress-strain mechanism on human plantar soft tissue
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Data from: A Silurian ophiuroid with soft tissue preservation
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Fig. 4. Cellular features associated with T in Soft-Tissue Vessels and Cellular Preservation in Tyrannosaurus rex
Fig. 4. Cellular features associated with T. rex and ostrich tissues. (A) Fragment of demin eralized cortical bone from T. rex, showing parallel-oriented fibers and cell-like microstruc tures among the fibers. The inset is a higher magnification of one of the microstructures seen embedded in the fibrous material. (B) Demin eralized and stained (3) ostrich cortical bone, showing fibrillar, parallel- oriented collagen matrix with osteocytes embed ded among the fibers. The inset shows a high er magnification of one of the osteocytes. Both inset views show elon gate bodies with multi ple projections arising from the external sur face consistent with filipodia. (C) Isolated microstructure from T. rex after fixation. In addition to the multiple filipodial-like projections, internal contents can be seen. The inset shows a second structure with long filipodia and an internal transparent nucleus-like structure. (D) Fixed ostrich osteocyte; inset, ostrich osteocyte fixed and stained for better visualization. Internal contents are discernible, and filipodia can be seen extending in multiple planes from the cell surface. (E and F) SEM images of aldehyde-fixed (3) microstructures isolated from T. rex cortical bone tissues. Scale bars in (A) and (B), 50 um; in (C) and (D), 20 um; in (E), 10 um; in (F), 1 um.
Fig. 3 in Soft-Tissue Vessels and Cellular Preservation in Tyrannosaurus rex
Fig. 3. SEM images of aldehyde-fixed vessels. (A) Isolated vessel from T. rex. (B) Vessel isolated from extant ostrich after demineralization and collagenase digestion (3). (C) Vessel from T. rex, showing internal contents and hollow character. (D) Exploded T. rex vessel showing small round microstructures partially embedded in internal vessel walls. (E) Higher magnification of a portion of T. rex vessel wall, showing hypothesized endothelial nuclei (EN). (F) Similar structures visible on fixed ostrich vessel. Striations are seen in both (E) and (F) that may represent endothelial cell junctions or alternatively may be artifacts of the fixation/dehydration process. Scale bars in (A) and (B), 40 um; in (C) and (D), 10 um; in (E) and (F), 1 um.
Fig. 3 in Analyses of Soft Tissue from Tyrannosaurus rex Suggest the Presence of Protein
Fig. 3. TOF-SIMS spectra of demineralized MOR 1125 medullary bone (A to C) and entombing sedimentary matrix (D to F). The imonium ions for Gly (m/z = 30), Ala (m/z = 44), and Pro (m/z = 70) can be unambiguously identified for MOR 1125; no signal was observed in sediment controls that corresponded to these amino acids. See text for discussion.
Figure 3 in Mechanisms of soft tissue and protein preservation in Tyrannosaurus rex
Figure 3. SR-FTIR full spectra of isolated T. rex vascular tissue and chicken type I collagen (no treatment). All key bands for the identification of protein (Amide I, Amide II, Amide III) are present in the dinosaur tissue spectrum. The T. rex spectrum also presents a strong non-peptide carbonyl (C=O) band at 1739 cm−1 and a carbohydrate band at ~1010 cm−1.
Figure 5 in Mechanisms of soft tissue and protein preservation in Tyrannosaurus rex
Figure 5. SR-FTIR analysis of T. rex vascular tissue, NaBH4 reduced T. rex vascular tissue, chicken type I collagen without treatment, and chicken type I collagen treated with Fenton reagent and iron-catalysed glycation. (a,b) Average FTIR spectra in the non-peptide carbonyl and protein amide I regions for all five samples. (a) Significant reduction in the non-peptide carbonyl band follows treatment of T. rex vascular tissue with NaBH4, which reduces (immature) peptide crosslinks. The blue-shifted Amide I band of the dinosaur tissue, Fenton reagent-treated chicken type I collagen, and Fe-catalysed glycation-treated chicken type I collagen indicate increasing α-helix structure (~1660 cm−1) as the higher-energy triple-helix and intermolecular sub-bands (see Fig. 1 for method of identification) increasingly predominate the spectra. The development of aldehydic carbonyl, ketoaldehyde, and/or immature ketoimine bands in both treated chicken tissues is consistent with the strong carbonyl band in the dinosaur tissue.
Figure 1. Amide I in Mechanisms of soft tissue and protein preservation in Tyrannosaurus rex
Figure 1. Amide I sub-band localisation of untreated and treated chicken type I collagen in SR-FTIR spectra. Sub-bands (β-sheet, ~1633 cm−1; triple-helix, ~1658–1660 cm−1; intermolecular, ~1683–1690 cm−1) are indicated in the figures. Red traces denote second derivatives of experimental curves. Although the intermolecular sub-band typically presents at lower wavenumber, the identified value was the nearest local minimum in each of the second derivative traces and consistently appears across all samples; therefore, in this sample, the intermolecular sub-band was indexed at 1697–1699 cm−1.
Data from: A new ankylosaurine dinosaur from the Judith River Formation of Montana, USA, based on an exceptional skeleton with soft tissue preservation
The terrestrial Judith River Formation of northern Montana was deposited over an approximately 4 Myr interval during the Campanian (Late Cretaceous). Despite having been prospected and collected continuously by palaeontologists for over a century, few relatively complete dinosaur skeletons have been recovered from this unit to date. Here we describe a new genus and species of ankylosaurine dinosaur, Zuul crurivastator, from the Coal Ridge Member of the Judith River Formation, based on an exceptionally complete and well-preserved skeleton (ROM 75860). This is the first ankylosaurin skeleton known with a complete skull and tail club, and it is the most complete ankylosaurid ever found in North America. The presence of abundant soft tissue preservation across the skeleton, including in situ osteoderms, skin impressions and dark films that probably represent preserved keratin, make this exceptional skeleton an important reference for understanding the evolution of dermal and epidermal structures in this clade. Phylogenetic analysis recovers Zuul as an ankylosaurin ankylosaurid within a clade of Dyoplosaurus and Scolosaurus, with Euoplocephalus being more distantly related within Ankylosaurini. The occurrence of Z. crurivastator from the upper Judith River Formation fills a gap in the ankylosaurine stratigraphic and geographical record in North America, and further highlights that Campanian ankylosaurines were undergoing rapid evolution and stratigraphic succession of taxa as observed for Laramidian ceratopsids, hadrosaurids, pachycephalosaurids and tyrannosaurids.
Data from: A new ophiocistioid with soft-tissue preservation from the Silurian Herefordshire Lagerstätte, and the evolution of the holothurian body plan
Reconstructing the evolutionary assembly of animal body plans is challenging when there are large morphological gaps between extant sister taxa, as in the case of echinozoans (echinoids and holothurians). However, the inclusion of extinct taxa can help bridge these gaps. Here we describe a new species of echinozoan, Sollasina cthulhu, from the Silurian Herefordshire Lagerstätte, UK. S. cthulhu belongs to the ophiocistioids, an extinct group that shares characters with both echinoids and holothurians. Using physical-optical tomography and computer reconstruction, we visualize the internal anatomy of S. cthulhu in three dimensions, revealing inner soft tissues that we interpret as the ring canal, a key part of the water vascular system that was previously unknown in fossil echinozoans. Phylogenetic analyses strongly suggest that Sollasina and other ophiocistioids represent a paraphyletic group of stem holothurians, as previously hypothesized. This allows us to reconstruct the stepwise reduction of the skeleton during the assembly of the holothurian body plan, which may have been controlled by changes in the expression of biomineralization genes.
Data: relation between soft tissue energy dissipation and leg stiffness in running at different step frequencies
<p>Data set - paper: <span>Relation between soft tissue energy dissipation and leg stiffness in running at different step frequencies </span></p>
Figure 1 in Air sac attachments or tendon scars: the distinction between soft tissue traces in archosaur bone
Figure 1. Lamellar bone fibres in an anhanguerid pterosaur ulna (DGEO-CTG-UFPE 7516; A-F) and in a spinosaurine theropod tibia (LPP-PV-0042; G-L). Note that these fibres are only visible at high magnifications (100×; arrowheads). Silhouettes in A and G indicate sampled elements (not to scale; art by Felipe A. Elias). All polarized light. Crossed nicols in A-E and G-L. Parallel nicols in F. Compensator in A-D, G-I and L. The relative angle to the cortical surface is approximately 80° in A, B; 340° in C; 290° in D-F; 120° in G-L. Scale bar in A, H = 250 µm; in B, I = 50 µm; G = 500 µm; in C-F, J-L = 10 µm.
Figure 4 in Air sac attachments or tendon scars: the distinction between soft tissue traces in archosaur bone
Figure 4. Side-by-side comparison between lamellar bone fibres A, pneumosteum B and Sharpey's fibres C, all indicated by arrowheads. A, an anhanguerid pterosaur ulna (DGEO-CTG-UFPE 7516). B, a megaraptoran theropod caudal vertebra (MPMA 08-003-94). C, a dorsal vertebra of Arrudatitan (MPMA 12-0001-97-1024). Magnifier indicates microscope magnification. All polarized light and crossed nicols. Compensator in B. The relative angle to the bone surface is approximately 290° in A; 320° in B; 150° in C. Scale bar in A = 10 µm; in B = 50 µm; in C = 300 µm.
Figure 3 in Air sac attachments or tendon scars: the distinction between soft tissue traces in archosaur bone
Figure 3. Pneumosteum in saurischian dinosaurs. A-C, a megaraptoran theropod caudal vertebra (MPMA 08-003-94). D-F, a cervical vertebra of the lithostrotian titanosaur Uberabatitan (CPPLIP-1024). G-I, a dorsal vertebra of the saltasaurid titanosaur Ibirania (LPP-PV-0200). Pneumosteum is distinguished from regular lamellar bone due to the presence of an array of tiny asbestiform densely packed fibres (usually shorter than 60 µm; arrowheads). These feature low optical relief and undulose extinction. Silhouettes in A, D and G indicate sampled elements (not to scale; art by Felipe A. Elias). All polarized light. Crossed nicols in A-E and G-I. Parallel nicols in F. Compensator in A-D, G-I, and L. The relative angle to the bone surface is approximately 320° in A-B; 220° in C-D; 105° in E-F; 290° in G; 80° in H-I. Scale bar in A, D = 250 μm; in C, E = 100 μm; in B, F, H, I = 50 μm; in G = 200 μm.
Figure 2 in Air sac attachments or tendon scars: the distinction between soft tissue traces in archosaur bone
Figure 2. Sharpey's fibres in a dorsal vertebra of Arrudatitan (MPMA 12-0001-97-1024; A-F) and in a spinosaurine theropod tibia (LPP-PV-0042; G-I). Note that these fibres are visible at low magnifications (5×; arrowheads). G, H show a cross pattern of Sharpey's fibres. Silhouettes in A and G indicate sampled elements (not to scale; art by Felipe A. Elias). All polarized light. Crossed nicols in A-F. Parallel nicols in. Compensator in G, H. The relative angle to the bone surface is approximately 150° in A-C; 90° in D; 70° in E; 120° in F; 90° in G-I. Scale bar in A = 300 µm; in D, I = 250 µm; in B, C, E, F = 100 µm; in G, H = 500 µm.
Dataset for Effects Effects of Soft Tissue Mobilization with TECAR Therapy Using Bracelet Electrodes in Women with Chronic Non-specific Neck Pain
<p>This dataset contains anonymized data from a randomized controlled trial (RCT) evaluating the effectiveness of combining Soft Tissue Mobilization Techniques (STMT) with Capacitive and Resistive Electric Transfer Therapy (TECAR) in women with Chronic Non-Specific Neck Pain (CNSNP). Data include assessments at baseline, the 5th week, and the 6th-month follow-up for variables related to pain intensity, disability, and range of motion (ROM).</p>
A new marrellomorph arthropod from southern Ontario: A rare case of soft tissue preservation on a late Ordovician open marine shelf
<p>Ordovician open marine lagerstätten are relatively rare and widely dispersed, producing a patchy picture of the diversity and biogeography of non-mineralized marine organisms, and challenging our understanding of the fate of Cambrian groups. Here, for the first time, we report soft-bodied fossils, including a well-preserved marrellomorph arthropod, fragmentary carapaces, and macroalgae, from the late Ordovician (Katian) Upper Member of the Kirkfield Formation near Brechin, Ontario. The unmineralized elements and associated exceptionally preserved shelly biota were entombed rapidly in storm deposits that smothered the shallow, carbonate-dominated shelf. The marrellomorph, <em>Tomlinsonus dimitrii</em> gen. et sp. nov., is remarkable for its ornate, curving cephalic spines and pair of hypertrophied appendages, suggesting a slow-moving, benthic lifestyle. Re-evaluation of marrellomorph phylogeny using new data favours an arachnomorph affinity, though internal relationships are robust to differing outgroup selection. Clades Marrellida and Acercostraca are recovered, but the monophyly of Marrellomorpha is uncertain. The new taxon is recovered as sister to the Devonian <em>Mimetaster</em>, and, as the second youngest known marrellid, bridges an important gap in the evolution of this clade. More generally, the Brechin biota represents a rare window into Ordovician open marine shelf environments in Laurentia, representing an important point of comparison with contemporaneous lagerstätten from other paleocontinents, with great potential for further discoveries.</p>
micro-CT data and segmentation files for "The ant abdomen: the skeletomuscular and soft tissue anatomy of Amblyopone australis workers (Hymenoptera: Formicidae)"
<p>Two compressed (.zip) files are included. One (Amblyopone_australis_CASENT0753222_CT.zip) contains a directory of 2149 .tif files comprising the micro-CT dataset used in the study. The other (Amblyopone_australis_CASENT0753222_Segmentation.zip) contains a .ORSSession (ORS Dragonfly) file with the dataset and all segmentation labels created in the study. The segmentation labels are organized into multi-regions of interest (multiROIs) for organizational purposes.</p>
Prevalence, resistance profiles and factors associated with skin and soft-tissue infections at Jinja regional referral hospital: A retrospective study
<p>Skin and soft-tissue infections (SSTI) are common cases of hospital-acquired infections with aetiologic agents exhibiting antimicrobial resistance (AMR). We determined the prevalence, proportion of laboratory-investigated cases, AMR-profiles, and factors associated with SSTI and multi-drug resistance (MDR). This study was based on archived data of patients suspected of SSTI from 2019-2021 at Jinja Regional Referral Hospital. The analysis involved 268 randomly selected patient reports. Prevalence of SSTI was 66.4%. Laboratory-investigated cases were 14.11%. <em>Staphylococcus aureus </em>(n=51) was the most isolated organism. MDR pathogens explained 47% of infections. Methicillin-resistant <em>S. aureus</em> was up to 44%. In addition, 61% of Gram-negatives had the potential to produce extended-spectrum beta-lactamases, while 27% were non-susceptible to carbapenems. Ward of admission was significantly associated with infection (aPR=1.78, 95% CI: 1.003-3.18, p-value=0.04). Age category <u>(</u>19-35) was an independent predictor for MDR infections (aPR=2.30, 95%CI:1.02-5.23, p-value=0.04). The prevalence is relatively high with MDR pathogens responsible for almost half of the infections. Routine use of culture and sensitivity testing should be done for proper infection management. Gentamicin and ciprofloxacin can be considered for empirical management of emergency SSTI suspected of <em>S. aureus</em>. Recognizing SSTI under the Global Antimicrobial resistance Surveillance System (GLASS) would lead to improved preparedness and response to AMR.</p>
cranial feathers; 6, proximal part of neck feathers; 7, distal part of humeral feathers; 8, distal part of humeral feathers; 9 and 10, membranous soft tissue near digit II; 11, membranous soft tissue near digit IV; 12, middle part of tibial feathers. in A bizarre Jurassic maniraptoran theropod with preserved evidence of membranous wings
cranial feathers; 6, proximal part of neck feathers; 7, distal part of humeral feathers; 8, distal part of humeral feathers; 9 and 10, membranous soft tissue near digit II; 11, membranous soft tissue near digit IV; 12, middle part of tibial feathers.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
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The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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