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8,443 results for “gastropoda”
FIGURE 5. Uorticella ampullaria n in Description of Two New Species of the Genus Vorticella (Ciliophora: Peritrichia) Epibionts on Pomacea canaliculata (Mollusca: Ampullariidae: Gastropoda) in Southern Brazil
FIGURE 5. Uorticella ampullaria n. sp. silver nitrate-stained specimens and SEM photomicrographs: A. Picture showing details of the pores on the pellicle (arrow) (Bar 2 µm). B. SEM micrograph of the zooid showing the trochal band (arrow) (Bar 2.5 µm). C. Silver nitrate-stained zooid showing the silver lines on the pellicle (arrow) (Bar 4 µm). D. Silver nitrate-stained zooid showing the macronucleus (MAC), scopula(SC), and somatic myonemes (arrowhead).
FIGURE 2 in Description of Two New Species of the Genus Vorticella (Ciliophora: Peritrichia) Epibionts on Pomacea canaliculata (Mollusca: Ampullariidae: Gastropoda) in Southern Brazil
FIGURE 2. Schematic drawings of Uorticella veloxiiforme n. sp. and Uorticela ampullaria sp.n. in vivo and from protargolstained specimens: A. Live zooid of U. veloxiiforme showing the contractile vacuole (CV) and a J-shaped macronucleus (MAC) (Bar 15 µm). B. Protargol-stained zooid of U. veloxiiforme showing the oral poliknetids inside the infundibular region (P1, P2, P3) (Bar 10 µm). C. Live zooid of U. ampullaria showing the position of the two contractile vacuoles (CV) and a Cshaped macronucleus (MAC) (Bar 15 µm). D. Protargol-stained zooid of U. ampullaria showing the oral polykinetids inside the infundibulum (P1, P2, P3) (Bar 10 µm).
FIGURE 1 in Description of Two New Species of the Genus Vorticella (Ciliophora: Peritrichia) Epibionts on Pomacea canaliculata (Mollusca: Ampullariidae: Gastropoda) in Southern Brazil
FIGURE 1. Uorticella veloxiiforme live and protargol-stained specimens: A. Live zooids showing the contractile vacuole (CV), a J-shaped macronucleus and a spasmoneme inside the basal stalk (SM) (Bar 10 µm). B. Live zooid showing the position of the J-shaped macronucleus (MAC) (Bar 10 µm). C. Protargol-stained zooid showing the J-shaped macronucleus (MAC) (Bar 10 µm). D. Detail of a protargol-stained zooid showing the oral polykinetids (P1, P2, P3) inside the infundibulum (Bar 10 µm). E. Protargol-stained zooid showing the somatic myonemes (arrow) (Bar 10 µm).
FIGURE 19 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 19. SEMs of the radula and jaws of a specimen of the holotype of Aeolidia libitinaria sp. nov. (SIO-BIC M12138). A. Jaw. B. Radular teeth.
FIGURE 11 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 11. Photographs of ventral, lateral and dorsal views of the external morphology of preserved specimens of Ziminella vrijenhoeki sp. nov. A–C. Holotype (SIO-BIC M12137), A. Ventral view of the head, B. Dorsal view of the head, C. Lateral view of the anterior portion of the body. D–E. Paratype (SIO-BIC M12135), D. Lateral view of the anterior portion of the body, E. Dorsal view of the head. Abbreviations: a, anus; fc, foot corner; ot, oral tentacle; pe, penis; rh, rhinophores; ro, reproductive opening.
FIGURE 15 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 15. Photographs of ventral, lateral and dorsal views of the external morphology of preserved specimens of several Aeolidida. A–B. Holotype of Cuthona methana sp. nov. (SIO-BIC M12413), A. Ventral view of the head; B, Lateral view of the anterior portion of the body. C–D. Paratype of Cuthona methana sp. nov. (SIO-BIC M12412), C. Ventral view of the head; D, Lateral view of the anterior portion of the body. E–F. Specimen of Zeusia herculea (Linnaeus, 1761) (SIO-BIC M12136), E. Ventral view of the head; F, Dorsal view of the head. G–H. Holotype of Aeolidia libitinaria sp. nov. (SIO-BIC M12138), G. Ventral view of the head; H, Dorsal view of the head. Abbreviations: a, anus; ot, oral tentacle; pe, penis; rh, rhinophores; ro, reproductive opening.
FIGURE 5 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 5. SEMs of the radula and jaws of the holotype of Tritonia nigritigris sp. nov. (LACM 3553). A. Rachidian and inner lateral radular teeth. B. Lateral radular teeth. C. Outer radular teeth. D. Jaw.
FIGURE 8 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 8. SEMs of the radula and jaws of the single specimen of Tritonia sp. (SIO-BIC M12395). A. Rachidian and inner lateral radular teeth. B. Lateral radular teeth. C. Outer radular teeth. D. Jaw. E. Jaw masticatory border.
FIGURE 2 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 2. Digital images of live animals showing color in life. A. Tritonia nigritigris sp. nov., holotype (LACM 3553), in situ, right side invaginations indicated with arrows. B. Tritonia sp. (SIO-BIC M12395), lab photo. C. Dendronotus claguei sp. nov., holotype (LACM 3555), in situ. D. Ziminella vrijenhoeki sp. nov., holotype (SIO-BIC M12137), lab photo. E. Ziminella vrijenhoeki sp. nov., paratype (SIO-BIC M12135), lab photo. F. Cuthona methana sp. nov., holotype (SIO-BIC M12413), lab photo. G. Cuthona methana sp. nov., paratype (SIO-BIC M12412), lab photo. H. Aeolidia libitinaria sp. nov., holotype (SIO- BIC M12138), lab photo.
FIGURE 18 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 18. Drawings of the internal anatomy of the holotype of Aeolidia libitinaria sp. nov. (SIO-BIC M12138). A. General view of the internal anatomy. B. Reproductive system. Abbreviations: am, ampulla; bb, buccal bulb; cns, central nervous system; dg, digestive gland; es, esophagus; fgc, female gland complex; i, intestine; pe, penis.
FIGURE 14 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 14. Bayesian consensus phylogenetic analyses of Flabellinoidea, Fionoidea and Aeolidioidea, with branches collapsed for clarity. The phylogenetic position of the species described herein (in bold) are represented in grey ovals. Posterior probability and maximum likelihood bootstrap values indicated for each branch.
FIGURE 13 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 13. SEMs of the radula and jaws of the paratype of Ziminella vrijenhoeki sp. nov. (SIO-BIC M12135). A. Jaw. B. Jaw masticatory border. C. Radular teeth. D. Lateral view of a radular tooth.
FIGURE 21 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 21. SEMs of the radula and jaws of a specimen of Zeusia herculea (Bergh, 1894) (SIO-BIC M12136). A. Jaw. B. Radular teeth.
FIGURE 12 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 12. Drawings of the internal anatomy of the paratype of Ziminella vrijenhoeki sp. nov. (SIO-BIC M12135). A. General view of the internal anatomy. B. Reproductive system. Abbreviations: am, ampulla; bb, buccal bulb; cns, central nervous system; dd, deferent duct; dg, digestive gland; es, esophagus; fgc, female gland complex; i, intestine; pe, penis; rm, retractor muscle.
FIGURE 17 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 17. SEMs of the radula and jaws of the paratype of Cuthona methana sp. nov. (SIO-BIC M12412). A. Radular teeth. B. Lateral view of a radular tooth. C. Jaw. D. Jaw masticatory border.
FIGURE 20 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 20. Drawings of the internal anatomy of a specimen of Zeusia herculea (Bergh, 1894) (SIO-BIC M12136). A. General view of the internal anatomy. B. Reproductive system. Abbreviations: am, ampulla; cns, central nervous system; dd, deferent duct; dg, digestive gland; es, esophagus; fgc, female gland complex; i, intestine; sr, seminal receptacle.
FIGURE 10 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 10. SEMs of the radula and jaws of the paratype of Dendronotus claguei sp. nov. (LACM 3555). A. Radular teeth. B. Jaw masticatory border.
FIGURE 7 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 7. Drawing of the internal anatomy of a specimen of Tritonia sp. (SIO-BIC M12395). Abbreviations: bb, buccal bulb; cns, central nervous system; dg, digestive gland; es, esophagus; i, intestine; sg, salivary gland; st, stomach.
FIGURE 9 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 9. Drawings of the internal anatomy of the paratype of Dendronotus claguei sp. nov. (LACM 3555). A. General view of the internal anatomy. B. Reproductive system. Abbreviations: am, ampulla; bb, buccal bulb; bc, copulatrix; cns, central nervous system; dd, deferent duct; dg, digestive gland; es, esophagus; fgc, female gland complex; i, intestine; pe, penis; rm, retractor muscle; sg, salivary gland; sr, seminal receptacle; vg, vagina.
FIGURE 6 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 6. Bayesian consensus phylogenetic analyses of Tritonioidea and Dendronotoidea, with branches collapsed for clarity. The phylogenetic position of the species described herein (in bold) are represented in grey ovals. Posterior probability and maximum likelihood bootstrap values indicated for each branch.
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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
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.