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1,663 results for “shells”
FIG. 10. — A in The shell industry in Final Neolithic societies in Sardinia: characterizing the production and utilization of Glycymeris da Costa, 1778 valves
FIG. 10. — A, Archaeological shell with use-wear traces (C-D) and red-dye traces (ochre?) (B) on the dorsal face (Cuccuru s'Arriu, Cabras, Italy) related to contact with a mineral matter, clay. Scale bars: A, 5 cm; B, C, D, 100 µm.
FIG. 5. — A, B in The shell industry in Final Neolithic societies in Sardinia: characterizing the production and utilization of Glycymeris da Costa, 1778 valves
FIG. 5. — A, B, working conditions (A, 45° inclination; B, 135° inclination); C, D, experimental shell surface used to process dry hide (scraping with the use of ochre; 15 minutes); E, F, experimental shell surface used to process boxwood (scraping; 15 minutes); G, H, experimental shell surface used to process basswood (scraping; 15 minutes). Scale bars: 100 µm.
FIG. 9. — A in The shell industry in Final Neolithic societies in Sardinia: characterizing the production and utilization of Glycymeris da Costa, 1778 valves
FIG. 9. — A, Archaeological shell with use-wear traces of suspension (Cuccuru s'Arriu, Cabras, Italy); B-C, use-wear traces localized on the edge of natural perforation (B) and on the hinge (C). Scale bars: A, 5 cm; B, C, 100 µm.
FIG. 4. — A, B in The shell industry in Final Neolithic societies in Sardinia: characterizing the production and utilization of Glycymeris da Costa, 1778 valves
FIG. 4. — A, B, experimental shell surface used to process dry hide (softening; 15 minutes); C, D, working conditions (C, 45° inclination; D, 135° inclination); E, F, experimental shell surface used to process dry hide (scraping). Scale bars: 100 µm.
FIG. 1. — A, B in The shell industry in Final Neolithic societies in Sardinia: characterizing the production and utilization of Glycymeris da Costa, 1778 valves
FIG. 1. — A, B, Geographical data; C, Location of the site of Cuccuru s'Arriu (red point) and indication of beaches near the site with Glycymeris valves (Tharros West, San Giovanni di Sinis, Su Maimoni and Pesaria).
FIG. 12. — A in The shell industry in Final Neolithic societies in Sardinia: characterizing the production and utilization of Glycymeris da Costa, 1778 valves
FIG. 12. — A, archaeological shell with use-wear traces (B-D) on the ventral face (Cuccuru s'Arriu, Cabras, Italy) related to contact with a mineral matter: utilization as a container for mixing mineral substances. Scale bars: A, 5 cm; B, C, D, 100 µm.
FIG. 3. — A-D in The shell industry in Final Neolithic societies in Sardinia: characterizing the production and utilization of Glycymeris da Costa, 1778 valves
FIG. 3. — A-D, micro-polishes identified on the dorsal face of Glycymeris valves with different microtopography, texture, fabric and extension:A, absence of micropolish; B-D, presence of micro-polish becoming gradually more marked; E, F, scratches identified on the dorsal face of valves. Scale bars: 100 µm.
FIG. 8. — A, B in The shell industry in Final Neolithic societies in Sardinia: characterizing the production and utilization of Glycymeris da Costa, 1778 valves
FIG. 8. — A, B, use of shells as containers (mixing the crushed ochre with a sticky substance; 1 hour); C, D, experimental shell surface. Scale bars: 100 µm.
FIG. 16 in The shell industry in Final Neolithic societies in Sardinia: characterizing the production and utilization of Glycymeris da Costa, 1778 valves
FIG. 16. — Archaeological shells with use-wear traces on the edge (Cuccuru s'Arriu, Cabras, Italy). A, valve with use-wear traces (B, C, D) related to contact with a mineral matter, clay; E, Valve with use-wear traces (F, G, H) related to the contact with indeterminate mineral matter. Scale bars: 100 µm.
FIG. 7. — A, B in The shell industry in Final Neolithic societies in Sardinia: characterizing the production and utilization of Glycymeris da Costa, 1778 valves
FIG. 7. — A, B, experimental shell surface used to process clay with the dorsal face of valves (smoothing; 15 minutes); C, D, experimental shell surface used to process clay with the edge of valves (smoothing; 15 minutes); E-G, experimental shell surface used to process clay with the dorsal face of valves (smoothing; 1 month). Scale bars: 100 µm.
24-shell diffusion MRI data
<p>24-shell diffusion MRI used in <em>Huynh, K.M., Xu, T., Wu, Y., Wang, X., Chen, G., Wu, H., Thung, K.H., Lin, W., Shen, D. and Yap, P.T., 2020. Probing tissue microarchitecture of the baby brain via spherical mean spectrum imaging. IEEE Transactions on Medical Imaging, 39(11), pp.3607-3618.</em></p>
FIGURES 6 7 in Redescription, shell variability and geographic distribution of Plagiodontes dentatus (Wood, 1828) (Gastropoda: Orthalicidae: Odontostominae) from Uruguay and Argentina
FIGURES 6 7. SEM photographs of the teleoconch sculpture near the aperture lip. 6, Plagiodontes dentatus; 7, P. multiplicatus.
FIGURES 14 16 in Redescription, shell variability and geographic distribution of Plagiodontes dentatus (Wood, 1828) (Gastropoda: Orthalicidae: Odontostominae) from Uruguay and Argentina
FIGURES 14 16. SEM photographs of the apertural teeth in Plagiodontes spp. 14, P. dentatus; 15, P. multiplicatus (arrow indicates the presence of a denticle on the columellar tooth); 16, P. patagonicus.
Udayagiri, Madhya Pradesh. View of passage wall showing shell inscriptions
<p>Udayagiri, Madhya Pradesh. View of passage wall (south side) showing shell inscriptions.</p>
Salihundam, Gara Mandal, Srikakulam district, Andhra Pradesh. Votive shell inscription.
<p>Salihundam, Gara Mandal, Srikakulam district, Andhra Pradesh. Votive shell inscription at Buddhist site located approximately at 18°20'7"N 84°2'28"E, as documented in 2007.</p>
FIG. 6. — A in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 6. — A, Palaeoglandina aquensis (Matheron, 1843) from Aix (Burdigalian, Aix Basin), MHNM 6034.9314.1; B, P. galloprovincialis (Matheron, 1843) from Peyrolles (Tortonian, Durance Basin), MHNM 6034.9317.1; C1, C2, P. montenati Truc, 1971 from Quibas (Calabrian, Quibas site), MVHN-180222GM05; D1, D2, P. aquensis var. obtusa (Depéret, 1890), UCBL-FSL 148027; E1, E2, P. gracilis (Zieten, 1832), NHMW 2013/0572/0040; F1, F2, P. taurinensis (Sacco, 1886), BS.093.02.001; G, P. turolensis n. sp., MAP-8420, detail of protoconch; H, P. gracilis (Zieten, 1832), NHMW 2013/0572/0040, detail of protoconch; I, P. taurinensis (Sacco, 1886), BS.093.02.001, detail of protoconch;J, P. montenati Truc,1971 from Quibas,MVHN-180222GM05,detail of protoconch. Scale bars: A-F,10 mm; G,1 mm; H-J, 2 mm.
FIG. 2. — A in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 2. — A, Shell measurements, following Solem & Climo (1985), and arrangement of landmarks (large circles) and semi-landmarks (small dots). The numbers in parentheses indicate the number of points for each of the two semi-landmark curves. See text for abbreviations. B, Protoconch measurements, following Verduin (1977). Abbreviations: N, nucleus; P/T boundary, protoconch/teleoconch boundary. Scale bar: A, 5 mm; B, 6 mm.
FIG. 4. — A, Palaeoglandina turolensis n in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 4. — A, Palaeoglandina turolensis n. sp. from La Gloria 4 (Ruscinian, Teruel Basin): A1-A3, MAP-8405, holotype; B, MAP-8406, paratype; C, MAP-8407, paratype; D, MAP-8408, paratype; E, MAP-8409, paratype; F, MAP-8410, paratype; G, MAP-8411, paratype; H, MAP-8412, paratype; I, MAP-8413, paratype; J, MAP-8414, paratype; K, MAP-8415; L, MAP-8416; M, MAP-8417; N, MAP-8418; O, MAP-8419. Scale bar: 10 mm.
FIG. 3 in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 3. — Results of the morphometric analyses: A, principal components analysis of the Procrustes shape coordinates; shown are the first three axes explaining 88.5% of the total variance; B, thin-plate spline deformation grid illustrating the extreme values for each principal component; deformations were magnified to a factor of 2 to highlight variation of distinct traits; C, reconstructed mean shapes for all material as well as across specimens for each locality.
FIG. 5. — A-D, O, Palaeoglandina turolensis n in Shifting shell morphology in a Late Miocene-Pliocene land snail species lineage (Gastropoda: Stylommatophora: Spiraxidae), with the description of a new species
FIG. 5. — A-D, O, Palaeoglandina turolensis n. sp. from Orrios 1 (Ruscinian, Teruel Basin): A, O, MAP-8421; B, MAP-8422; C, MAP-8423; D, MAP-8424; E-L, N, P. turolensis n. sp. from Los Aljezares (Turolian, Teruel Basin): E, 040822JA01; F, N, 040822JA02; G, MGM-3723; H, MNCNI-28900-D; I, MNCNI-28900-A; J, MGM-118M; K, MNCNI-28900-E; L, MNCNI-11300-E; M, P. turolensis n. sp. from La Gloria 4, MAP-8405. Scale bars: A-J, 10 mm; M-O, 6 mm.
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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)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
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.
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.