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79 results for “volume rendering”
FIGURE 13 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 13. Terminology of skull osteology in dorsal view (left) and ventral view (right). Abbreviations: col = columella, exoc = exoccipital, exoc.oc = occipital condyle of exoccipital, fpar = frontoparietal, fpar.lf = frontoparietal lateral flange, max = maxilla, max.pf = maxillary pars fascialis, max.parspal = maxillary pars palatina, nasal.mp = maxillary process of nasal, neopal = neopalatine, pmx.ap = premaxilla alary process, pmx.lp = premaxilla lateral process, pmx.palproc = premaxilla palatine process, povom = postchoanal vomer, proot = prootic, prvom = prechoanal vomer, prsph.cp = parasphenoid cultriform process, prsph.al = parasphenoid alae, pter.ar = pterygoid anterior ramus, pter.mr = pterygoid medial ramus, pter.vr = pterygoid ventral ramus, qj = quadratojugal, qj.pvp = quadratojugal posteroventral process, smax = septomaxilla, spheth = sphenethmoid, sq.or = squamosal otic ramus, sq.vr = squamosal ventral ramus, sq.zr = squamosal zygomatic ramus.
FIGURE 12 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 12. Osteology of Rhombophryne diadema sp. nov. (ZSM 1629/2012). Full skeleton in (a) dorsal, (b) ventral, and (c) lateral view; skull in (d) dorsal, (e) ventral, and (f) lateral view. Abbreviations as in Fig. 7.
FIGURE 9 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 9. Rhombophryne regalis sp. nov. in life, showing the holotype (MRSN A4602) in (a) dorsal and (b) ventral view; paratype MRSN A4603 in (c) dorsolateral and (d) ventral view; and (e) an individual from Ambolokopatrika in dorsolateral view (assignment to field and collection numbers unknown).
FIGURE 8 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 8. Map of the north of Madagascar showing the collection localities of specimens of the focal species of this paper, Rhombophryne guentherpetersi, R. regalis sp. nov., and R. diadema sp. nov. Basemap from www.vegmad.org. Hashing indicates protected areas; note that the full extent of Tsaratanana Strict Nature Reserve is not shown.
FIGURE 6 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 6. Rhombophryne guentherpetersi in life. (a–c) ZSM 607/2014 in (a) dorsolateral (with inset showing superciliary spines), (b) dorsal, and (c) ventral view; and (d, e) other specimens in dorsolateral view (assignment to field and collection numbers unknown).
FIGURE 11 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 11. Rhombophryne diadema sp. nov. in life, showing the holotype ZSM 1629/2012 in (a) dorsal and (b) ventral view; paratype ZSM 1628/2012 in (c) lateral and (d) ventral view; and paratype UADBA-A 60289 in (e) lateral and (f) ventral view.
FIGURE 15 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 15. The vertebral column of the R. serratopalpebrosa species group shown in dorsal (left) and lateral (right) view. Abbreviations: I–VIII = presacral numbers, S = sacrum, S.d = sacral diapophysis, U = urostyle, U.dr = urostyle dorsal ridge, tp = transverse processes, mr = medial ridge, na = neural arch, ns = neural spine.
FIGURE 4 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 4. Photographs of the holotypes of the species treated in this manuscript, in dorsal (top row) and ventral (bottom row) views.
FIGURE 3 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 3. Majority-rule consensus tree of the Rhombophryne serratopalpebrosa species group and its sister clade, obtained by partitioned BI analysis, based on 2491 nucleotide characters of two mitochondrial and one nuclear gene (16S, cox1, sacs). Asterisks indicate Bayesian posterior probability values (*0.95–0.98, **0.99–1.0; not shown if <0.95). Stumpffia psologlossa and other species of Rhombophryne were used as hierarchical outgroups and are here excluded from the figure as they are not the subject of this study. Members of the R. serratopalpebrosa species group are depicted in life, not to scale.
FIGURE 19 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 19. Hindlimb anatomy of the R. serratopalpebrosa species group showing the right femur in (a) medial and (b) lateral view, the right tibiofibula in (c) ventral and (d) dorsal view, and (e) the right pes and tibiale-fibulare in ventral view. Abbreviations: tf.si = sulcus intermedius of tibiofibula, tsl(s) = tarsal(s).
FIGURE 2 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 2. Definition of skeletal measurements taken for this study: (a) snout length, from the anterior frontoparietal to the anterior premaxilla; (b) brain case width, at mid-orbit; (c) skull length, from occipital condyle of exoccipital to the anterior premaxilla; (d) maximum skull width, typically at the middle of the quadratojugal (not landmark-based); (e) parasphenoid length; (f) parasphenoid width, at mid-orbit; (g) length of parasphenoid cultriform process; (h) distance from parasphenoid alae to waist of cultriform process (the waist being a distinct discontinuity in the angle of expansion of the cultriform process); (i) coracoid width at glenoid socket; (j) coracoid width at thinnest point; (k) coracoid width at sternal end; (l) length of anterior edge of coracoid; (m) length of posterior edge of coracoid; (n) length of anterior face of scapula, (o) length of urostyle; (p) distal width of sacral diapophysis; (q) base width of sacral diapophysis; (r) length of acetabulum; (s) distance between anterior tips of iliac shafts; (t) length of femur from condyle to condyle; (u) length of tibiofibula from condyle to condyle. Not to scale.
FIGURE 1 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 1. Four of the named species from the Rhombophryne serratopalpebrosa group. (a) R. ornata, (b) R. vaventy, (c) R. coronata, and (d) R. tany. No photos in life of R. serratopalpebrosa are available. Rhombophryne guentherpetersi is shown in Fig. 6.
FIGURE 5 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 5. Comparative morphology of the heads, feet, and hands of members of the Rhombophryne serratopalpebrosa species group. All specimens are the holotypes of their respective species, except R. coronata, which is paratype ZSM 694/ 2001. Asterisks indicate mirrored images. Not to scale.
FIGURE 14 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 14. The posteromedial hyoid processes and mandible of the R. serratopalpebrosa species group shown in dorsal view. Abbreviations: mmk = mentomeckelian bone, angspl = angulosplenial, angspl.cp = angulosplenial coronoid process, php.base = base of posteromedial hyoid process, php.mc = medial crista of posteromedial hyoid process.
FIGURE 18 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 18. The pelvic girdle of the R. serratopalpebrosa species group in lateral and dorsal view. Darker colour indicates cartilage. Abbreviations: il.cr = iliac crest, il.sh = iliac shaft, il.dp = dorsal prominence of ilium, il.og = oblique groove of ilium.
FIGURE 10 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 10. Osteology of Rhombophryne regalis sp. nov. (MRSN A4602). Full skeleton in (a) dorsal, (b) ventral, and (c) lateral view; skull in (d) dorsal, (e) ventral, and (f) lateral view. Abbreviations as in Fig. 7.
Benefit of Stereoscopic Volume Rendering for the Identification of Pediatric Pulmonary Vein Stenosis from CT Angiography
<p> </p> <p>The use of three-dimensional (3D) technologies in medical practice is increasing; however, its use is largely untested. One 3D technology, stereoscopic volume-rendered 3D display, can improve depth perception. Pulmonary vein stenosis (PVS) is a rare cardiovascular pathology, often diagnosed by computed tomography (CT), where volume rendering may be useful. Depth cues may be lost when volume rendered CT is displayed on regular screens instead of 3D displays. The objective of this study was to determine whether the 3D stereoscopic display of volume-rendered CT improved perception compared to standard monoscopic display, as measured by PVS diagnosis. CT angiograms (CTAs) from 18 pediatric patients aged 3 weeks to 2 years were volume rendered and displayed with and without stereoscopic display. Patients had 0 to 4 pulmonary vein stenoses. Participants viewed the CTAs in 2 groups with half on monoscopic and half on stereoscopic display and the converse a minimum of 2 weeks later, and their diagnoses were recorded. A total of 24 study participants, comprised of experienced staff cardiologists, cardiovascular surgeons and radiologists, and their trainees viewed the CTAs and assessed the presence and location of PVS. Cases were classified as simple (2 or fewer lesions) or complex (3 or more lesions). Overall, there were fewer type 2 errors in diagnosis for stereoscopic display than standard display; although the difference was not significant. There was a significant decrease in type 2 errors for complex multiple lesion cases (≥3) vs simpler cases and improvement in localization of pulmonary veins. There was no difference between the 2 groups for type 1 errors. Subjectively, 70% of participants stated that stereoscopy was helpful in the identification of PVS. The stereoscopic display did not result in decreased errors in PVS diagnosis but was helpful for more complex cases.</p>
Negative Vessel Remodeling in Stargardt Disease Quantified with Volume-Rendered Optical Coherence Tomography Angiography
<p>Data underlying the figures in the publication “Negative Vessel Remodeling in Stargardt Disease Quantified with Volume-Rendered Optical Coherence Tomography Angiography”, published in Retina, <strong>2021</strong>. Doi: 10.1097/IAE.0000000000003110</p> <p>Table of contents:</p> <p><strong>1. Dataset 1</strong>; Excel sheet containing the source data of the publication.</p>
Supplementary material S9. Aberrokorynetes oceanojubilaei sp. nov., holotype, Nr. 6803 [MAIG], X-ray microtomography volume rendering of the aedeagus.
<p><strong>Supplementary material S9. </strong><em>Aberrokorynetes </em><em>oceanojubilaei</em><em> </em>sp. nov., holotype, Nr. 6803 [MAIG], X-ray microtomography volume rendering of the aedeagus.</p> <p>Jiří Kolibáč, Vitalii I. Alekseev, Kristaps Kairišs and Andris Bukejs: Systematic placement and new data on the checkered beetles <em>Aberrokorynetes</em> Winkler and <em>Visokorynetes</em> Winkler (Coleoptera: Cleridae) from Eocene Baltic amber obtained from X-ray tomography. Historical Biology, DOI: 10.1080/08912963.2021.1994561</p>
Supplementary material S8. Aberrokorynetes oceanojubilaei sp. nov., holotype, Nr. 6803 [MAIG], X-ray microtomography volume rendering of the maxillary and labial palpi.
<p><strong>Supplementary material S8. </strong><em>Aberrokorynetes </em><em>oceanojubilaei</em><em> </em>sp. nov., holotype, Nr. 6803 [MAIG], X-ray microtomography volume rendering of the maxillary and labial palpi.</p> <p>Jiří Kolibáč, Vitalii I. Alekseev, Kristaps Kairišs and Andris Bukejs: Systematic placement and new data on the checkered beetles <em>Aberrokorynetes</em> Winkler and <em>Visokorynetes</em> Winkler (Coleoptera: Cleridae) from Eocene Baltic amber obtained from X-ray tomography. Historical Biology, DOI: 10.1080/08912963.2021.1994561</p>
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Allen Brain Atlas
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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.