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2,214 results for “Walls”
Figure 13 in New organic-walled Foraminifera (Protista) from the ocean's deepest point, the Challenger Deep (western Pacific Ocean)
Figure 13. Resigella bilocularis sp. nov. Scanning electron micrographs. A, aperture of specimen shown in Figure 12C. B, general view of specimen with intact intial chamber and broken second chamber. C, D, broken cross-section of test wall showing organic layer overlain by agglutinated grains. E, F, general view of test and detail of organic surface with flake-like features (probably clay particles) separated by mesh-like structures.
Intracranial aneurysm risk scores, hemodynamics and vessel wall enhancement values
<p>Vessel wall enhancement (VWE) in contrast-enhanced magnetic resonance imaging (MRI) is a potential biomarker for intracranial aneurysm (IA) risk stratification. In this study, we investigated the relationship between VWE features, risk metrics, morphology, and hemodynamics in 41 unruptured aneurysms. We reconstructed the IA geometries from MR angiography and mapped pituitary stalk-normalized MRI intensity on the aneurysm surface using an in-house tool. For each case, we calculated the maximum intensity (CRstalk) and IA risk (via size and the rupture resemblance score-RRS). We performed correlation analysis to assess relationships between CRstalk and IA risk metrics (size and RRS), as well as each parameter encompassed in RRS, i.e. aneurysmal Size Ratio (SR), normalized wall shear stress (WSS), and oscillatory shear index (OSI). We found that CRstalk had a strong correlation (Pearson correlation coefficient, PCC=0.630) with size and a moderate correlation (PCC=0.472) with RRS, indicating an association between VWE and IA risk. Furthermore, CRstalk had a weak negative correlation with normalized WSS (PCC=-0.320) and a weak positive correlation with SR (PCC= 0.390). Local voxel-based analysis showed only a weak negative correlation between normalized WSS and contrast-enhanced MRI signal intensity (PCC=-0.240), suggesting that if low normalized WSS induces enhancement-associated pathobiology, the effect is not localized.</p>
Figure 8 from: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. https://doi.org/10.3897/zookeys.435.7271
Figure 8 - Gecarcinus lateralis (Freminville, 1835) (sensu Türkay 1973), dorsal view, color in life, in hard-shell condition. Atlantic coast, Costa Rica, Puerto Viejo, showing the forms limiting the range of color variability: A male, carapace width (CW) 39 mm B male, CW 29 mm C female, CW 32 mm D male, CW 44 mm E male, CW 47 mm F female, CW 33 mm. Pacific coast: Costa Rica, Playa Hermosa: G male, CW 58 mm H male, CW 38 mm.
Figure 7 from: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. https://doi.org/10.3897/zookeys.435.7271
Figure 7 - Gecarcinus lateralis (Freminville, 1835) (sensu Türkay 1973), frontal and lateral views, color in life, in hard-shell condition. Atlantic coast: Costa Rica, Puerto Viejo: A male, carapace width (CW) 44 mm B, C male, CW 29 mm D female with contrasting dorso- and ventrolateral color, CW 32 mm. Pacific coast: Costa Rica, Playa Hermosa: E male, CW 58 mm F male, CW 38 mm.
Figure 6 from: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. https://doi.org/10.3897/zookeys.435.7271
Figure 6 - A–C lectotype of Gecarcinus lateralis (Freminville, 1835), male, carapace width 47.2 mm, Guadeloupe (MNHN-3758) (dried specimen, color faded) D–F syntype of Gecarcinus quadratus Saussure, 1853, male, carapace width 39.7 mm, Mexico, Mazatlan (ANSP-CA3741) (dried specimen, color faded) (photos by Paul Callomon, Academy of Natural Sciences of Drexel University, Philadelphia).
Figure 5 from: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. https://doi.org/10.3897/zookeys.435.7271
Figure 5 - Dorsal carapace pattern (shape of light patches could vary slightly): Gecarcinus lateralis (Freminville 1835) (sensu Türkay 1973): A Pacific coast of Central America. Atlantic coast of Central America: B form with lateral margin (M) on dorsal carapace and orange patches at anterolateral (AP) and posterior (PP) carapace border; C form without lateral margin on dorsal carapace D Gecarcinus nobilii sp. n.
Figure 4 from: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. https://doi.org/10.3897/zookeys.435.7271
Figure 4 - Gecarcinus nobilii sp. n., color in life; Colombia: Gorgona Island A male, photo by Karla Garcia Burneo (Peru) B, C male, photos by Rhett A. Butler (USA) D female, Buenaventura dept., Chucheros Beach, photo by Elena Gómez E sex unknown, Chocó dept., Nuquí prov., Canangucho Forest Reserve. Ecuador: F sex unknown, Manabí prov., Ayampe, photo by David Liebman (USA). Captive individuals from the pet trade, origin unknown: G sex unknown, photo by Oliver Mengedoht (Germany) H, I females, photos by John Beatty (USA) (the individual shown above in Fig. I belongs to the Pacific population of Gecarcinus lateralis (sensu Türkay 1973), please note the differences in the mesial lobe of the infraorbital margin).
Figure 3 from: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. https://doi.org/10.3897/zookeys.435.7271
Figure 3 - Gecarcinus nobilii sp. n., holotype, male, carapace width 31 mm, Ecuador, Punta Galera (LACM CR 1968-477), preserved in alcohol (color faded): A dorsal view B frontal view C ventral view. Paratype, female, Ecuador, St. Elena (MNHN, B12314), preserved in alcohol (color faded): D carapace front E frontal view F ventral view.
Figure 2 from: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. https://doi.org/10.3897/zookeys.435.7271
Figure 2 - (CF) Carapace front; (O) orbit; (IOM) mesial lobe of infraorbital margin; (x) widest width of CF; (z) mesial end of suborbital crista; (x–y) width of IOM at point of contact with CF; (y–z) shortest distance between CF and mesial end of suborbital crista; A, B Atlantic Gecarcinus lateralis (Freminville 1835), male, carapace width (CW) 31 mm, Costa Rica, Puerto Viejo C Gecarcinus nobilii sp. n., holotype, male, CW 31 mm, Ecuador, Punta Galera (LACM CR 1968-477). First male gonopod: Gecarcinus nobilii sp. n., holotype: D mesial view E lateral view F Pacific Gecarcinus lateralis (sensu Türkay 1973), CW 31 mm, Costa Rica, Hermosa Beach, lateral view; Scale bar = 5 mm.
Figure 1 from: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. https://doi.org/10.3897/zookeys.435.7271
Figure 1 - A Central and South America B Study area with locations of examined Pacific (red) and Atlantic (orange) Gecarcinus lateralis (Freminville, 1835) (sensu Türkay 1973) and Gecarcinus nobilii sp. n. (green). Nicaragua, Pacific coast: (1) Rivas, San Juan del Sur. Costa Rica, Pacific coast, Puntarenas dept.: (2) Pochote Beach; (3) Hermosa Beach; (4) Drake Bay. Panama, Pacific coast: (5) Veraguas, Santa Catalina. Costa Rica, Atlantic coast, Limón dept.: (6) Parismina; (7) Puerto Viejo; (8) Manzanillo; (9) Punta Mona. Panama, Atlantic coast: (10) Bocas del Toro, Bluff Beach; (11) Colón, Maria Chiquita. Gecarcinus nobilii sp. n.: Colombia, Pacific coast: (12) Choco, Nuquí; (13) Buenaventura, Chucheros Beach; (14) Gorgona Island. Ecuador: (15) Esmeraldas, Punta Galera (type location); (16) Manabí, Ayampe; (17) Plata Island; (18) Santa Elena.
Figure 1 from: Adams B, Wall D, Virginia R, Broos E, Knox M (2014) Ecological Biogeography of the Terrestrial Nematodes of Victoria Land, Antarctica. ZooKeys 419: 29-71. https://doi.org/10.3897/zookeys.419.7180
Figure 1 - Victoria Land, Antarctica. Labeled areas represent study locations and major geographic features referenced in the tables and text. Box inset of the McMurdo Dry Valleys is rotated 180 °and expanded in Figure 2.
Figure 2 from: Adams B, Wall D, Virginia R, Broos E, Knox M (2014) Ecological Biogeography of the Terrestrial Nematodes of Victoria Land, Antarctica. ZooKeys 419: 29-71. https://doi.org/10.3897/zookeys.419.7180
Figure 2 - McMurdo Dry Valleys, Antarctica. Labeled areas represent study locations and major geographic features referenced in the tables and text.
Figure 3 from: Guralnick RP, Cellinese N, Deck J, Pyle RL, Kunze J, Penev L, Walls R, Hagedorn G, Agosti D, Wieczorek J, Catapano T, Page EDM (2015) Community Next Steps for Making Globally Unique Identifiers Work for Biocollections Data. ZooKeys 494: 133-154. https://doi.org/10.3897/zookeys.494.9352
Figure 3 - Identifier schemes differ in whether redirections and mappings to ensure stability are centrally managed or not. Top: a DOI dereferencing service like CrossRef or Datacite redirects to the actual content provider; the URIs of content data and RDF metadata are publicly visible and can be used as independent (albeit often unstable) identifiers. Bottom: A linked open data pattern, where each content provider assumes the responsibility for maintaining a stable mapping; the content negotiation is internal. Modified after Hagedorn 2013.
Figure 2 from: Guralnick RP, Cellinese N, Deck J, Pyle RL, Kunze J, Penev L, Walls R, Hagedorn G, Agosti D, Wieczorek J, Catapano T, Page EDM (2015) Community Next Steps for Making Globally Unique Identifiers Work for Biocollections Data. ZooKeys 494: 133-154. https://doi.org/10.3897/zookeys.494.9352
Figure 2 - Example of a PURL-URI as a QR-Code, in this example attached to a digitised lichen type specimen in the Natural History Museum, University of Oslo. The QR-Code corresponds to http://purl.org/nhmuio/id/c1a8b878-a4f9-448b-be00-26cbad58b11c.
Figure 1 from: Guralnick RP, Cellinese N, Deck J, Pyle RL, Kunze J, Penev L, Walls R, Hagedorn G, Agosti D, Wieczorek J, Catapano T, Page EDM (2015) Community Next Steps for Making Globally Unique Identifiers Work for Biocollections Data. ZooKeys 494: 133-154. https://doi.org/10.3897/zookeys.494.9352
Figure 1 - Example of UUIDs embedded within QR-Codes on microcentrifuge tube labels. The 5 mm × 5 mm QR-Codes (Version 2) are printed with a standard laser printer on sheets of self-adhesive 9 mm dots, and scan reliably with a standard barcode reader, while still providing room for a human-readable 5-character prefix + 5-digit number (the human-readable number and UUID are permanently cross-linked in the data management system). Photo: Robert K. Whitton.
Figure 8 from: Wall AR, Bruce NL, Wetzer R (2015) Status of Exosphaeroma amplicauda (Stimpson, 1857), E. aphrodita (Boone, 1923) and description of three new species (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific. ZooKeys 504: 11-58. https://doi.org/10.3897/zookeys.504.8049
Figure 8 - Exosphaeroma paydenae sp. n., male holotype USNM 20474. A–E right pleopods 1–5, respectively F right uropod.
Figure 7 from: Wall AR, Bruce NL, Wetzer R (2015) Status of Exosphaeroma amplicauda (Stimpson, 1857), E. aphrodita (Boone, 1923) and description of three new species (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific. ZooKeys 504: 11-58. https://doi.org/10.3897/zookeys.504.8049
Figure 7 - Exosphaeroma paydenae sp. n., male holotype USNM 20474. A right pereopod 1 B right pereopod 3 C right pereopod 7.
Figure 6 from: Wall AR, Bruce NL, Wetzer R (2015) Status of Exosphaeroma amplicauda (Stimpson, 1857), E. aphrodita (Boone, 1923) and description of three new species (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific. ZooKeys 504: 11-58. https://doi.org/10.3897/zookeys.504.8049
Figure 6 - Exosphaeroma paydenae sp. n., male holotype USNM 20474. A right antenna B right antennula C right maxilla D right maxillula E right mandible F left mandible G right maxilliped.
Figure 4 from: Wall AR, Bruce NL, Wetzer R (2015) Status of Exosphaeroma amplicauda (Stimpson, 1857), E. aphrodita (Boone, 1923) and description of three new species (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific. ZooKeys 504: 11-58. https://doi.org/10.3897/zookeys.504.8049
Figure 4 - Exosphaeroma amplicauda male neotype LACM CR-2014.1. A–E left pleopods 1–5, respectively F right uropod.
Figure 27 from: Wall AR, Bruce NL, Wetzer R (2015) Status of Exosphaeroma amplicauda (Stimpson, 1857), E. aphrodita (Boone, 1923) and description of three new species (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific. ZooKeys 504: 11-58. https://doi.org/10.3897/zookeys.504.8049
Figure 27 - SEM images of Exosphaeroma amplicauda LACM CR-2014.1.1. A pereopod 3 dactylus scales B pereopod 7 merus distal setal patch C pereopod 7 carpus distal setal patch D left and right mandibles ventral E left and right maxillipeds, maxillulae, and maxillae dorsal F left maxillula G maxilliped and other mouth parts dorsal.
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OpenNeuro
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