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135 results for “Arctic Region”
Distribution. Subdivided into several isolated patches of different size: N sections located along Arctic shore in Russia from Northern Dvina River E to Kolyma River (Arkhangelsk Region, Nenets Autonomous District, SE Novaya Zemlya, Vaygach I, Northern Ural Mts, Yamal Peninsula, Belyy I, S Taymyr Peninsula, and N Yakutia), C section includes C Yakutia, and S sections extend from Kama River E to Amur River and from S Siberia S to Tian Shan and interfluve of Huang He and Yangtze in E China including Russia, Kazakhstan, Kyrgyzstan, Mongolia, and China (NW Xinjiang, Inner Mongolia [= Nei Mongol], Heilongjiang, Hebei, and Henan). in Cricetidae
Distribution. Subdivided into several isolated patches of different size: N sections located along Arctic shore in Russia from Northern Dvina River E to Kolyma River (Arkhangelsk Region, Nenets Autonomous District, SE Novaya Zemlya, Vaygach I, Northern Ural Mts, Yamal Peninsula, Belyy I, S Taymyr Peninsula, and N Yakutia), C section includes C Yakutia, and S sections extend from Kama River E to Amur River and from S Siberia S to Tian Shan and interfluve of Huang He and Yangtze in E China including Russia, Kazakhstan, Kyrgyzstan, Mongolia, and China (NW Xinjiang, Inner Mongolia [= Nei Mongol], Heilongjiang, Hebei, and Henan).
Figure 24 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 24. Leucosolenia somesii %Bowerbank* 1874) ZMA Por. 17572* spicule types* scanning electron microscopy. A* curved smooth diactines; B* straight spiny diactines; C* tips of diactines* I and II refer to the zones marked on A and B* white arrowheads mark spines; D* triactines; E* abnormal triactines; F* tetractines.
Figure 23 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 23. Leucosolenia somesii %Bowerbank* 1874) external morphology and skeleton. A* general morphology %ZMA Por. 17572); B* skeleton of cormus %ZMA Por. 17572); C* D* spicules from BMNH 1956.4.26.35. Abbreviations: c* cormus; d* diverticulum.
Figure 22 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 22. Leucosolenia creepae sp. nov. mesohyl cell types and symbiotic bacteria. A* sclerocyte; B* amoebocyte; C* D* symbiotic bacteria* morphotype 1; E* F* symbiotic bacteria* morphotype 2; G* young oocyte. Scale bars: A* B* 2 µm; C–F* 0.5 µm; G* 5 µm.Abbreviations: am* amoeboid cell; ch* choanocytes; m* mesohyl; n* nucleus; oo* oocyte; sb* symbiotic bacteria; sp* spicule.
Figure 21 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 21. Leucosolenia creepae sp. nov. body wall structure and cell types of bordering tissues. A* B* semi-thin sections of body wall of sponge; C* exopinacocyte; D* endopinacocyte and myocyte* inset—bundles of myofilaments in the myocyte; E* choanocytes; F* porocyte. Scale bars: A* 50 µm; B* 20 µm; C* 2 µm; D* 5 µm; E* F* 2 µm. Abbreviations: am* amoeboid cell; ch* choanocytes; chd* choanoderm; en* endopinacocyte; ex* exopinacocyte; exp* exopinacoderm; f* flagellum; m* mesohyl; mf* myofibrils; mv* microvilli; my* myocytes; n* nucleus; oo* oocyte; ph* phagosome; po* porocyte; sb* symbiotic bacteria.
Figure 20 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 20. Leucosolenia creepae sp. nov. spicule types* scanning electron microscopy. A* spiny diactines; B* tips of diactines* I* II* III* and IV refer to zones marked on A* white arrowheads mark spines; C* triactines; D* abnormal triactines; E* tetractines.
Figure 19 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 19. Leucosolenia creepae sp. nov. external morphology and skeleton. A* general morphology %WS11702* holotype); B* skeleton of oscular rim %WS11762); C* skeleton of oscular tube %WS11728); D* skeleton of cormus %WS11655). Abbreviations: c* cormus; d* diverticulum; o* osculum; oc* oscular crown; ot* oscular tube.
Figure 17 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 17. Leucosolenia sp. A external morphology and skeleton. A* general morphology %WS11752); B* skeleton of oscular rim %WS11770); C* skeleton of oscular tube %WS11770); D* skeleton of cormus %WS11752). Abbreviations: c* cormus; d* diverticulum; o* osculum; or* oscular rim; ot* oscular tube.
Figure 18 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 18. Leucosolenia sp. A spicule types* scanning electron microscopy. A* curved smooth diactines; B* curved spiny lanceolate diactines triactines; C* tips of diactines* I and II refer to the zones marked on A and B* white arrowheads mark spines; D* triactines; E* abnormal triactines; F* tetractine.
Figure 16 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 16. Leucosolenia variabilis Haeckel* 1870 spicule types in the White Sea specimen %A) and in the specimens from the British Natural History Museum collection %B–D). A* spicules from WS11731; B* spicules from BMNH 1906.12.1.40; C* spicules from BMNH 1906.12.1.50; D* spicules from the syntype BMNH 1910.1.1.421.a. Abbreviations: d* diactines; tx* trichoxeas.
Figure 13 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 13. Leucosolenia variabilis Haeckel* 1870 trichoxeas. A* B* general view of trichoxea fragments; C* enlarged view of trichoxea* white arrowhead marks spines. Abbreviations: tx* trichoxeas.
Figure 14 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 14. Leucosolenia variabilis Haeckel* 1870 body wall structure and cell types of bordering tissues. A* B* semi-thin sections of body wall of sponge; C* exopinacocytes; D* choanocytes; E* porocyte; F* endopinacocyte. Scale bars: A* 50 µm; B* 20 µm; C* D* 5 µm; E* F* 2 µm. Abbreviations: am* amoeboid cell; ch* choanocytes; chd* choanoderm; ex* exopinacocyte; exp* exopinacoderm; f* flagellum; m* mesohyl; mv* microvilli; n* nucleus; po* porocyte; sb* symbiotic bacteria; sc* spherulous cells.
Figure 8 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 8. Leucosolenia corallorrhiza %Haeckel* 1872) spicule types* scanning electron microscopy. A* curved lanceolate diactines; B* tips of diactines* I and II refer to the zones marked on A* white arrowheads mark spines; C* tetractine; D* triactines.
Figure 9 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 9. Leucosolenia corallorrhiza %Haeckel* 1872) body wall structure and cell types of bordering tissues. A* B* semi-thin sections of body wall of sponge; C* exopinacocyte; D* endopinacocyte; E* choanocytes* inset—junctions between choanocytes; F* porocyte. Scale bars: A* 50 µm; B* 20 µm; C–F* 2 µm* inset—0.2 µm. Abbreviations: am* amoebocyte; ch* choanocytes; chd* choanoderm; en* endopinacocyte; exp* exopinacoderm; f* flagellum; m* mesohyl; mv* microvilli; n* nucleus; ph* phagosome; po* porocytes; sb* symbiotic bacteria.
Figure 15 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 15. Leucosolenia variabilis Haeckel* 1870 mesohyl cell types and symbiotic bacteria. A* amoebocytes; B* large amoeboid cell; C* granular cell; D* myocyte* inset—bundles of myofilaments; E* spherulous cell; F* spherulous cells in the body wall; G* sclerocyte; H* symbiotic bacteria* morphotype 1; I* symbiotic bacteria* morphotype 2; J* symbiotic bacteria* morphotype 3. Scale bars: A* 2 µm; B* 5 µm; C–E* 2 µm; F* 50 µm; G* 2 µm; H–J* 1 µm. Abbreviations: am* amoebocyte; bam* large amoeboid cell; ch* choanocytes; gc* granular cell; gr* granule; m* mesohyl; mf* myofibrils; n* nucleus; sc* spherulous cells; sp* spicule.
Figure 12 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 12. Leucosolenia variabilis Haeckel* 1870 spicule types* scanning electron microscopy. A* curved smooth lanceolate diactines; B* triactines; C* abnormal triactines; D* tetractine.
Figure 11 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 11. Leucosolenia variabilis Haeckel* 1870 external morphology and skeleton. A* general morphology %WS11731); B* skeleton of oscular rim %WS11731); C* skeleton of oscular tube; D* skeleton of cormus %WS11643). Abbreviations: c* cormus; d* diverticulum; o* osculum; or* oscular rim; ot* oscular tube.
Figure 7 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 7. Leucosolenia corallorrhiza %Haeckel* 1872) external morphology and skeleton. A* general morphology %WS11642); B* skeleton of oscular rim %WS11653); C* skeleton of oscular tube %WS11653); D* skeleton of cormus %WS11653). Abbreviations: c* cormus; d* diverticulum; o* osculum; oc* oscular crown; ot* oscular tube.
Figure 2 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 2. Medium parsimony network analysis %TCS algorithm) of Leucosolenia species. The relative size of circles is proportional to the number of sequences of that same genotype. A* 28S alignment. Colours of the circles refer to the geographic origin of each genotype. Coloured backgrounds and species names indicate the revised species hypothesis. B* H3 alignment. Colours of the circles refer to the revised species hypothesis.
Figure 3 in The complex case of the calcareous sponge Leucosolenia complicata %Porifera: Calcarea): hidden diversity in Boreal and Arctic regions with description of a new species
Figure 3. Leucosolenia complicata %Montagu* 1814) external morphology and skeleton. A* general morphology %WS11661); B* skeleton of oscular rim %WS11662); C* skeleton of oscular tube %WS11662); D* skeleton of cormus %WS11662). Abbreviations: c* cormus; d* diverticulum; o* osculum; or* oscular rim; ot* oscular tube.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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
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.