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3,427 results for “Nematoda”
Fig. 4 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)
Fig. 4. Gammanema magnum sp. nov., paratype, ♀. A–B. Head, showing the small multispiral amphideal fovea, the leaf-like inner (arrowhead) and outer (black arrow) labial setae, the transverse rows of punctuations, and the buccal cavity as drawn in Fig. 2. C. Anterior region, showing the cylindrical pharynx surrounded by numerous cells, with anterior end swelling but not forming a bulb. D. Large spermatheca with globular to oval sperm cells. E. Overview, showing the slender body and conical tail. F. The intestine contains a prey nematode, likely a member of Epacanthion Wieser, 1953 (white arrow). Scale bars: 50 μm.
Fig. 7 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)
Fig. 7. Synonchium caudatubatum sp. nov., paratypes, ♀♀. A–B. Head, showing the same structures as male holotype. C. Spicules (arrow) of prey nematodes left in the intestine. D. Tail, showing the caudal glands with spinneret and the bluntly rounded tail with a protuberant caudal duct. E. Overview, showing the slightly slender body shape and two opposed testes. Scale bars: A–D = 50 µm, E = 100 µm.
Fig. 5 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)
Fig. 5. Synonchium caudatubatum sp. nov., holotype, ♂ (A, C–F) and a paratype, ♀ (B). A. Overview, showing the slightly slender body shape, the broad anterior buccal cavity and the narrow posterior buccal cavity with three mandibles, the cylindrical pharynx with anterior end swelling, the two opposed testes with oval sperm cells, the almost straight spicules without gubernaculum, the caudal glands with spinneret, and the bluntly rounded tail with a protuberant caudal duct. B. Overview, showing same structures as male holotype except the two reflexed ovaries. C. Each mandible has a large tooth flanked by three small teeth to each side. D–E. Head, showing the papillate sensilla, transverse oval amphideal fovea, transverse rows of punctuations, lateral cuticle pores, the broad anterior buccal cavity and the narrow posterior buccal cavity with three mandibles. F. Tail, showing the almost straight spicules without gubernaculum, the three caudal glands with spinneret, and the bluntly rounded tail with protuberant caudal duct. Scale bars: A–B, D–F = 50 μm, C = 50 μm.
Fig. 6 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)
Fig. 6. Synonchium caudatubatum sp. nov. holotype, ♂ (A–C) and a paratype, ♂ (D). A–B. Head, showing the papillate sensilla, transverse oval amphideal fovea, transverse rows of punctuations, lateral cuticle pores, the broad anterior buccal cavity and narrow posterior buccal cavity with three mandibles each with seven teeth, and the swelling anterior end of pharynx. C. Tail, showing the almost straight spicules without gubernaculum, and the bluntly rounded tail with a protuberant caudal duct. D. Overview, showing the slightly slender body. Scale bars: A–C = 30 µm, D = 100 µm.
Fig. 3 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)
Fig. 3. Gammanema magnum sp. nov., holotype, ♂. A. Surface view of head, showing the large amphideal fovea, outer labial setae (arrowheads), the slender cephalic setae (white arrows), and the transverse rows of punctuations. B. Neck region, showing the leaf-like inner labial setae (black arrows), the broad anterior buccal cavity reinforced by cuticularized rhabdia, each with about six pointed denticles at each posterior end, the narrow and cylindrical posterior buccal cavity surrounded by six broad rhabdia. C. Overview, showing the slender body and conical tail. D. Globular to oval sperm cells. E. Two unequally long spicules. F. Posterior region, showing the opposed testes with globular to oval sperm, the caudal glands with spinneret, and the conical tail. Scale bars: A–B = 50 μm, C–F = 100 μm.
Fig. 1 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)
Fig. 1. Gammanema magnum sp. nov., holotype, ♂. A. Surface view of head, showing the very large amphideal fovea, six leaf-like outer labial setae, four slender cephalic and four slender cervical setae, and the transverse rows of punctuations. B. Inside view of head, showing the broad anterior buccal cavity reinforced by cuticularized rhabdia each with about six pointed denticles at the posterior end, the narrow and cylindrical posterior buccal cavity surrounded by six broad rhabdia, and the anterior pharynx swelling but not forming a bulb. C. Neck region, showing the pharynx surrounded by numerous cells, nerve ring, the large intestine cells filled of inclusions, and the irregular intestine lumen. D. Posterior region, showing the opposed testes with globular to oval sperm cells (arrowheads), the unequally long spicules, the caudal glands (arrows), and the short and conical tail. E. Two spicules. Scale bars: 50 μm.
Fig. 2 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)
Fig. 2. Gammanema magnum sp. nov., paratype, ♀. A. Overview, showing the slender body shape, the cylindrical pharynx with anterior swollen portion, the two reflexed ovaries, the caudal glands with spinneret, and the conical tail. B. Surface view of head, showing the very small multispiral amphideal fovea, leaf-like inner (arrowheads) and outer (arrows) labial setae, four slender cephalic and four slender cervical setae, and the transverse rows of punctuations. C. Inside view of head, showing similar features as the male holotype. D. Cuticle with transverse rows of punctuations. E. Vulva. Scale bars: A = 100 μm, B–E = 50 μm.
F I G. 1. — Ohbayashinema ochotoni n. gen., n in Ohbayashinema ochotoni n. gen., n. sp. (Nematoda, Trichostrongyloidea), parasite d'un Lagomorphe du Népal; intérêt phylétique de ce genre
F I G. 1. — Ohbayashinema ochotoni n. gen., n. sp., mâle. A, extrémité antérieure, vue latérale droite; 13, coupe transversale au milieu du corps; C, bourse caudale, vue ventrale; D, détail du pore excréteur et des deirides, vue ventrale; E, pointe d'un spicule. A, C, éch. = 150 fj.; B, éch. = 50 y.; D, E, éch. = 100 ¡A.
Fig. 3 in Campydoroides manautei gen. et sp. nov. from New Caledonia and a reappraisal of the suborder Campydorina (Nematoda)
Fig. 3. Campydoroides manautei Holovachov gen. et sp. nov., non-type female from New Zealand (SMNH-175283). A. Female pharyngeal region, median section. B. Female anterior end, surface view. C. Female reproductive system. D. Female tail. Scale bar: 20 µm.
Fig. 4 in Campydoroides manautei gen. et sp. nov. from New Caledonia and a reappraisal of the suborder Campydorina (Nematoda)
Fig. 4. Campydoroides manautei Holovachov gen. et sp. nov., non-type female from New Zealand (SMNH-175283). A. Anterior end, median section. B. Anterior end, surface view. C. Vulval region. D. Base of pharynx. Scale bar: 20 µm.
Fig. 2 in Campydoroides manautei gen. et sp. nov. from New Caledonia and a reappraisal of the suborder Campydorina (Nematoda)
Fig. 2. Campydoroides manautei Holovachov gen. et sp. nov. A–B. Paratype female (SMNH Type-9167). C–F. Holotype (MNHN-BN511). A. Female pharyngeal region, median section. B. Female anterior end, median section. C–D. Female anterior end, surface view. E. Female reproductive system. F. Female tail. Scale bar: 20 µm.
Fig. 1 in Campydoroides manautei gen. et sp. nov. from New Caledonia and a reappraisal of the suborder Campydorina (Nematoda)
Fig. 1. Map of New Caledonia showing approximate position of sampled locations (modified from a map file available from https://d-maps.com/carte.php?num_car=15257).
Fig. 3 in Two new nematode species of the genus Tobrilus Andrássy, 1959 (Nematoda, Triplonchida) from Lake Baikal, Russia
Fig. 3. Tobrilus juliae sp. nov. A. Male anterior end. B. Female vulva region. C. Male pharyngeal region. D. Female posterior body end. E. Male posterior body end. Scale bars: A = 15 µm; B = 50 µm; C = 100 µm; D = 40 µm; E = 30 µm.
Fig. 1 in Two new nematode species of the genus Tobrilus Andrássy, 1959 (Nematoda, Triplonchida) from Lake Baikal, Russia
Fig. 1. Tobrilus elginus sp. nov. A. Male anterior end. B. Male pharyngeal region. C. Female posterior body end. D. Male posterior body end. E. Female vulva region. Scale bars: A = 20 µm; B, E = 100 µm; C–D = 50 µm.
Fig. 2 in Two new nematode species of the genus Tobrilus Andrássy, 1959 (Nematoda, Triplonchida) from Lake Baikal, Russia
Fig. 2. Tobrilus elginus sp. nov., light micrographs. A. Entire male. B. Entire female. C. Male pharyngeal region. D. Male anterior end. E. Female anterior end. F. Female vulva region. G, I. Male posterior body end. H. Male supplement region. J. Female posterior body end. Scale bars: A–B = 500 µm; C, F = 100 µm; D–E, H = 10 µm; G = 20 µm; I–J = 50 µm.
Figures 13-17 in A new species of Trileptium (Nematoda: Thoracostomopsidae) from Bahia, Brazil
Figures 13-17. Allotype of Trileptium ribeirensis sp. nov.: (13) total body; (14) anterior region with pharynx, nerve ring, somatic seta and cardia; (15) body region showing the vulva and ovaries; (16-17) anterior region emphasizing the cephalic ring and amphid: (16), teeth and jaws (17). Scale bars: 13 = 200 µm, 14, 15 = 100 µm, 16, 17 = 50 µm.
Figures 2-7 in A new species of Trileptium (Nematoda: Thoracostomopsidae) from Bahia, Brazil
Figures 2-7. Holotype of Trileptium ribeirensis sp. nov.: anterior region showing setae (2), cephalic ring and amphid (3), orthometaneme (4) and teeth and jaws (5); posterior region with emphasis on the supplement (6) and the spicules and gubernaculum (7). Scale bars = 20 µm.
Figure 1 in Various evolutionary avenues of Nematoda to parasitism in Gastropoda
Figure 1. Incomplete phylogenetic diagram showing the position of nematode taxa obligately associated with gastropods in relation to closely related free-living taxa to illustrate, how many times gastropod parasitism was acquired (thick arrow). Thin arrows indicate transitions to new modes of life: 1) larval-parasitic in marine invertebrates, 2) parasitoidic in arthropods, 3) parasitic or parasitoidic, 4) larval-parasitic and necromenic, 5) necromenic, 6) parasitic in intestine, 7) parasitic in salivary glands, 8) parasitic in tetrapods, 9) acquisition of intermediate host, 10) parasitic in amphibians.
Figure 5 in Checklist of the phyla Platyhelminthes, Xenacoelomorpha, Nematoda, Acanthocephala, Myxozoa, Tardigrada, Cephalorhyncha, Nemertea, Echiura, Brachiopoda, Phoronida, Chaetognatha, and Chordata (Tunicata, Cephalochordata,
Figure 5. The distribution of the number of Appendicularia (Tunicata) species along the coasts of Turkey. Each grid has a dimension of 15 × 15 km.
Figure 2 in Checklist of the phyla Platyhelminthes, Xenacoelomorpha, Nematoda, Acanthocephala, Myxozoa, Tardigrada, Cephalorhyncha, Nemertea, Echiura, Brachiopoda, Phoronida, Chaetognatha, and Chordata (Tunicata, Cephalochordata,
Figure 2. The number of species of the phyla Platyhelminthes (PLA), Chordata (Tunicata, Cephalochordata, and Hemichordata) (CHO), Nemertea (NEM), Nematoda (NMT), Xenacoelomorpha (XEN), Chaetognatha (CHA), Acanthocephala (ACA), and others (OTH, including Echiura, Myxozoa, Brachiopoda, Cephalorhyncha, Tardigrada, and Phoronida) along the coasts of Turkey. ∑S indicates the total number of species.
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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.