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3,427 results for “Nematoda”
FIGURE 5 in Heth pivari n. sp. (Nematoda: Ransomnematoidea: Hethidae) from the indigenous North American millipede Narceus gordanus (Spirobolida: Spirobolidae), with keys for worldwide Heth spp.
FIGURE 5. SEM micrographs of Heth pivari n. sp. males. A) Anterior end, stoma slit-like. B) Anterior end, stoma open. C) Closeup of stoma showing striae and minute amphid aperture (a). D) Posterior region showing ventral sucker (S), papillae 1,2 and 4, and tail. E) Posterior region showing arrangement of posterior papillae 2–7. F) Closeup of cloacal region. Scale bars: A, B, E, 30 µm; C, F, 20 µm; D, 200 µm.
FIGURE 4. Heth pivari n in Heth pivari n. sp. (Nematoda: Ransomnematoidea: Hethidae) from the indigenous North American millipede Narceus gordanus (Spirobolida: Spirobolidae), with keys for worldwide Heth spp.
FIGURE 4. Heth pivari n. sp., male. A) Habitus, lateral view, right side. B) Anterior region, lateral view. C) Anterior region, subdorsal view. D) Posterior region, lateral view, right side. E) Gubernaculum and fused spicules, dorsal view. Scale bars: A, 250 µm; B–E, 50 µm.
FIGURE 2. Heth pivari n in Heth pivari n. sp. (Nematoda: Ransomnematoidea: Hethidae) from the indigenous North American millipede Narceus gordanus (Spirobolida: Spirobolidae), with keys for worldwide Heth spp.
FIGURE 2. Heth pivari n. sp., female. A) Habitus, sublateral view, right side. B) Anterior end, sublateral view. C) Part of anterior region, lateral view showing neck retractor muscles; rp, ramified projection of the stoma entrance lumen (Spiridonov & Yushin 2000). D) Collar, lateral view; box shows dimensions of shield. E) Oviduct-uterus region with migrating sperm. Scale bars: A, 230 µm; B, C: 25 µm; D, 40 µm; E, 115 µm.
FIGURE 1 in Heth pivari n. sp. (Nematoda: Ransomnematoidea: Hethidae) from the indigenous North American millipede Narceus gordanus (Spirobolida: Spirobolidae), with keys for worldwide Heth spp.
FIGURE 1. Heth mauriesi female, terminology used to describe the anterior ornamentation of Heth spp. A) Drawings of H. mauriesi from Adamson (1982), courtesy of Dr. Martin Adamson. B) SEM of H. mauriesi, previously unpublished image courtesy of Dr. Ramon Carreno. Scale bars 50 µm.
FIGURE 1 A–O in Gastrointestinal nematodes of Paramelomys levipes and P. mollis (Rodentia Muridae) from Papua, Indonesia and Papua New Guinea with the descriptions of three new genera and nine new species (Nematoda)
FIGURE 1 A–O. Syphacia dewiae sp. n. A. Male, lateral view; B. Male, en face view; C. Female, en face view; D. Female, anterior end; E. Male, cephalic end lateral view: F. Female, cephalic end lateral view; G. Male, cephalic end dorso-ventral view; H. Male, transverse section anterior end showing cervical alae. I. Female, cephalic end dorso-ventral view; J. Female, transverse section lateral ala; K. Male, posterior end lateral view; L. Male, lateral ala; M. Male, posterior end ventral view; N. Female, excretory pore (anteriorly) and vulva (posteriorly) lateral view; O. Female, tail lateral view. Scale bars in µm: A. O, 200; D, N, 100; K, M, 50; B, C, E, F, G, H, I, J, L, 25.
FIGURE 13 in Heth pivari n. sp. (Nematoda: Ransomnematoidea: Hethidae) from the indigenous North American millipede Narceus gordanus (Spirobolida: Spirobolidae), with keys for worldwide Heth spp.
FIGURE 13. Worldwide Heth spp., discontinuous collar, no shield (Group 3). A) H. artigasi (after Dollfus 1952). B) H. artigasi (after Adamson 1983). C) H. baracoa (after Spiridonov 1989). D) H. duvidosum (after Artigas 1929). E) H. imias (after Spridonov 1989). F) H. macrocephala (after Kloss 1965). G) H. multiplus (after Kloss 1965). H) H. parartigasi (after Adamson 1985).
FIGURE 10. Worldwide Heth spp. Group 1 in Heth pivari n. sp. (Nematoda: Ransomnematoidea: Hethidae) from the indigenous North American millipede Narceus gordanus (Spirobolida: Spirobolidae), with keys for worldwide Heth spp.
FIGURE 10. Worldwide Heth spp. Group 1 (continued). A) H. mauriesi (after Adamson 1982). B) H. perarmatum (after Dollfus 1952). C, D) H. pinnatum, head end and neck region (after García & Coy 1995). E) H. spinosum (after Adamson 1983). F) H. xarochae (after Mejía-Madrid 2014). G) H. zeuglocantha (after Hunt 1994).
FIGURE 3 in Heth pivari n. sp. (Nematoda: Ransomnematoidea: Hethidae) from the indigenous North American millipede Narceus gordanus (Spirobolida: Spirobolidae), with keys for worldwide Heth spp.
FIGURE 3. SEM micrographs of Heth pivari n. sp. females. A) Anterior region, sublateral view. B) Anterior region, lateral view. C) Head, lateral view. D) Shield region. Arrows indicate button-like papillae. Scale bars: A, B, 50 µm; C, D, 20 µm.
FIGURE 7. Heth pivari n in Heth pivari n. sp. (Nematoda: Ransomnematoidea: Hethidae) from the indigenous North American millipede Narceus gordanus (Spirobolida: Spirobolidae), with keys for worldwide Heth spp.
FIGURE 7. Heth pivari n. sp. A) Live female with single egg. B–E) Female enlargement and increasing numbers of eggs. The uterus is capacious but the vagina holds just one egg at a time (B, D). F) Female, dense trichomycete attachment in anterior region. G) Male, arthropod seta lodged in anteriormost region of intestine. H) Male, lateral chord (arrows). Scale bars: A, 500 µm; B–F, 250 µm; G, 100 µm; H, 50 µm.
FIGURE 4 in Gastrointestinal nematodes of Paramelomys levipes and P. mollis (Rodentia Muridae) from Papua, Indonesia and Papua New Guinea with the descriptions of three new genera and nine new species (Nematoda)
FIGURE 4. Hughjonestrongylus alisoni sp. n. In all illustrations of the synlophe in transverse section the dorsal aspect of the body is oriented towards the top of the page and the left side of the nematode to the left of the page. The dorsal and ventral (numbers with superscripts) ridges are numbered, as are the lateral rays of the bursa (right rays with superscripts). A. Female, anterior end lateral view; B. Male, mid body transverse section; C. Male, cervical end lateral view; D. Male, bursa dorsal lobe, not completely rolled flat; E. Female, posterior end lateral view; F. Male, bursa left lobe; G. Male, gubernaculum and spicule tip lateral view; H. Male, spicules, anterior end; I. Male, spicule tips; J. Male, bursa right lobe. Scale bars in µm: A, 100; B, C, F, G, H, I, J, 25; D, E, 50.
FIGURE 3. Helgenema keablei gen. n in Gastrointestinal nematodes of Paramelomys levipes and P. mollis (Rodentia Muridae) from Papua, Indonesia and Papua New Guinea with the descriptions of three new genera and nine new species (Nematoda)
FIGURE 3. Helgenema keablei gen. n., sp. n. In all illustrations of the synlophe in transverse section the dorsal aspect of the body is oriented towards the top of the page and the left side of the nematode to the left of the page. The dorsal and ventral (numbers with superscripts) ridges are numbered, as are the lateral rays of the bursa (right rays with superscripts). A. Male, transverse section mid body; B. Female, anterior body transverse section; C. Female, anterior end lateral view; D. Spicules, anterior ends; E. Female, mid body transverse section; F. Male, gubernaculum and spicule tip, lateral view. G. Female, posterior body transverse section; H. Female, posterior end lateral view; I. Male, bursa left lobe; J. Male, bursa dorsal lobe; K. Male, bursa right lobe. Scale bars in µm: A, B, E, G, I, J, K, 25; H, 50; D, F, 12.5.
FIGURE 15 in Heth pivari n. sp. (Nematoda: Ransomnematoidea: Hethidae) from the indigenous North American millipede Narceus gordanus (Spirobolida: Spirobolidae), with keys for worldwide Heth spp.
FIGURE 15. Worldwide Heth spp. not conforming to any other group (Group 4). A) H. adolphi (after Sanchez-Velazquez 1979). B) H. josephinae (after Sanchez-Velazquez 1979). C) H. lamothei (after Sanchez-Velazquez 1979). D) H. poeyi (after Otero et al. 1993).
FIGURE 2. A in A detailed taxonomic study on two new and one known species of Anaplectus De Coninck & Schuurmans Stekhoven, 1933 (Nematoda: Plectidae)
FIGURE 2. A. sudhausi sp. nov. A: Anterior end (SEM). B: Anterior end LM). C: En face view. D: Neck region (SEM). E: Anterior Pharyngeal region (LM). F: Posterior pharyngeal region. G: Body region with lateral field. H, I: Female posterior region (SEM). J: Male posterior region (SEM). K, L: Male posterior region (LM) (Scale bars = 10 μm).
FIGURE 1 in A detailed taxonomic study on two new and one known species of Anaplectus De Coninck & Schuurmans Stekhoven, 1933 (Nematoda: Plectidae)
FIGURE 1. Anaplectus sudhausi sp. nov. A: Entire female. B: Anterior end. C: Female pharyngeal region D: Female reproductive system. E: Female posterior region. F: Male posterior region.
FIGURE 5. A in A detailed taxonomic study on two new and one known species of Anaplectus De Coninck & Schuurmans Stekhoven, 1933 (Nematoda: Plectidae)
FIGURE 5. A. granulosus. (Bastian, 1865) De Coninck & Schuurmans Stekhoven, 1933 A: Anterior end. B: Neck region. C: Anterior pharyngeal region. D–F: Posterior pharyngeal region. G: Anterior genital branch. H: Uterine region. I: Posterior genital branch. J: Vulval region. K: Body region showing lateral fields. L, M: Posterior body region. N: Tail terminus (Scale bars = 10 μm).
FIGURE 4. Oxyascaris caatingae n in Two new species of Cosmocercidae (Nematoda: Cosmocercoidea) of Leptodactylus macrosternum Miranda-Ribeiro (Anura: Leptodactylidae) from Caatinga Biome Brazil
FIGURE 4. Oxyascaris caatingae n. sp. (A) anterior region, male, ventral view. (B) anterior region, male, lateral view. (C) anterior end, male, apical view. (D) posterior region, male, ventral view. (E) posterior region, male, lateral view. (F) tail, male, lateral view. (G) tail, male, ventral view; (H) tail of female, lateral view. (I) left spicule, ventral view. (J) gubernaculum, ventral view. (k) vulva, ovijector, and eggs, lateral view.
FIGURE 2. Oxysomatium petrolinensis n in Two new species of Cosmocercidae (Nematoda: Cosmocercoidea) of Leptodactylus macrosternum Miranda-Ribeiro (Anura: Leptodactylidae) from Caatinga Biome Brazil
FIGURE 2. Oxysomatium petrolinensis n. sp. (A) total female length. (B) anterior end, male, apical view. (C) anterior region, male, ventral view. (D) anterior region, male, lateral view. (E) posterior region, male, ventral view. (F) posterior region, male, lateral view. (G) tail, male, lateral view. (H) gubernaculum, ventral view. (I) tail, female, lateral view. (J) vulva, ovijector and eggs, lateral view.
FIGURE 4. A in A detailed taxonomic study on two new and one known species of Anaplectus De Coninck & Schuurmans Stekhoven, 1933 (Nematoda: Plectidae)
FIGURE 4. A. labiosulcus sp. nov. A: Anterior end (SEM). B, C: Anterior end. D: Head region (SEM). E, F: Body region showing hypodermal glands. G: Pharyngeal region. H–J: Vulval region. K: Body region showing lateral fields. L: Posterior body region (SEM). M: Tail region (LM). N: Tail region (SEM) (Scale bars = 10 μm).
FIGURE 5. Oxyascaris caatingae n in Two new species of Cosmocercidae (Nematoda: Cosmocercoidea) of Leptodactylus macrosternum Miranda-Ribeiro (Anura: Leptodactylidae) from Caatinga Biome Brazil
FIGURE 5. Oxyascaris caatingae n. sp. (A) anterior end, male, apical view (white arrows indicate the cephalic papillae). (B) anterior end, female, apical view (white arrows indicate the cephalic papillae). (C) posterior region, male, latero ventral view. (D) tail, female, latero venral view. (E) tail, male, latero ventral view. (F) cloacal region, male, latero ventral view. (G) tip of tail, male, latero ventral view. (*—somatic papillae; 1st–9th—first to ninth post cloacal papillae; a—amphid; ad—ad cloacal papillae; an—anus; dl—dorsal lip; lvl—latero ventral lip; pre—pre cloacal papillae; u—unpaired pre cloacal papillae).
FIGURE 3. Oxysomatium petrolinensis n in Two new species of Cosmocercidae (Nematoda: Cosmocercoidea) of Leptodactylus macrosternum Miranda-Ribeiro (Anura: Leptodactylidae) from Caatinga Biome Brazil
FIGURE 3. Oxysomatium petrolinensis n. sp. (A) anterior region, male, dorsal view. (B) anterior end, male, dorsal view (white arrows indicate the cephalic papillae). (C) posterior region, male, latero ventral view (white arrows indicate post cloacal papillae). (D) cloacal region, male, latero ventral view. (E) tail filament, male, latero ventral view. (F) tail, female, latero venral view. (*—somatic papillae; 1st–7th—first to seventh post cloacal papillae; a—amphid; ad—ad cloacal papillae; ba—body alae; dl—dorsal lip; lvl—latero ventral lip; pre—pre cloacal papillae; u—unpaired pre cloacal papillae).
ScienceDex guides
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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.