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1,925 results for “Platyhelminthes”
FIGURES 47–52 in Gyrodactylus jarocho sp. nov. and Gyrodactylus xalapensis sp. nov. (Platyhelminthes: Monogenea) from Mexican poeciliids (Teleostei: Cyprinodontiformes), with comments on the known gyrodactylid fauna infecting poeciliid fish
FIGURES 47–52. Light photographs and drawings of Gyrodactylus milleri Harris & Cable, 2000 (holotype), showing the three different sizes and morphologies of the marginal hook sickles. 47, 50. Small marginal hook sickle; 48, 51. Medium sized marginal hook sickle; 49, 52. Large marginal hook sickle. Scale bar = 3 µm.
FIGURES 15–29. A in Gyrodactylus jarocho sp. nov. and Gyrodactylus xalapensis sp. nov. (Platyhelminthes: Monogenea) from Mexican poeciliids (Teleostei: Cyprinodontiformes), with comments on the known gyrodactylid fauna infecting poeciliid fish
FIGURES 15–29. A size invariant comparison of the marginal hook sickles of two new species of Gyrodactylus with the nine species previously recorded infecting poeciliids. 15. Gyrodactylus milleri Harris & Cable, 2000 (re-examination of the small, common form of marginal hook); 16. Overlay of G. milleri with G. j aroc h o sp. nov. (broken line); 17. Overlay of G. milleri with G. xalapensis sp. nov. (broken line); 18. Gyrodactylus pictae Cable, van Oosterhout, Barson & Harris, 2005 (re-examination); 19. Overlay of G. pictae with G. ja ro c ho sp. nov. (broken line); 20. Overlay of G. pictae with G. xalapensis sp. nov. (broken line); 21. Gyrodactylus poeciliae Harris & Cable, 2000 (re-examination); 22. Overlay of G. poeciliae with G. jaroc h o sp. nov. (broken line); 23. Overlay of G. poeciliae with G. xalapensis sp. nov. (broken line); 24. Gyrodactylus rasini Lucký, 1973 (re-examination); 25. Overlay of G. r a s i n i with G. j a ro c ho sp. nov. (broken line); 26. Overlay of G. rasini with G. xalapensis sp. nov. (broken line); 27. Scanning electron micrograph of Gyrodactylus turnbulli Harris, 1986 from Andrew P. Shinn's collection (re-examination); 28. Overlay of G. turnbulli with G. j a ro c ho sp. nov. (broken line); 29. Overlay of G. turnbulli with G. xalapensis sp. nov. (broken line). Scale bars = 3 µm.
FIGURE 4 in A new Peruvian land planarian species of the genus Gigantea (Platyhelminthes, Tricladida, Geoplanidae)
FIGURE 4. Gigantea urubambensis sp. nov. Holotype. A. Ventral median part of transversal section through prepharyngeal region. B. Dorsal median part of transversal section through pre-pharyngeal region. C-D. Sagittal section through anterior region. D. Detailed view of communication between ovary and ovovitelline duct. E-F. Sagittal section through female reproductive system. Arrowhead marks nematode larva.
FIGURE 3 in A new Peruvian land planarian species of the genus Gigantea (Platyhelminthes, Tricladida, Geoplanidae)
FIGURE 3. Gigantea urubambensis sp. nov. Holotype. A. Diagrammatic transverse section of pre-pharyngeal region. B. Sagittal reconstruction of the pharynx; anterior end to the right.
FIGURE 2 in A new Peruvian land planarian species of the genus Gigantea (Platyhelminthes, Tricladida, Geoplanidae)
FIGURE 2. Gigantea urubambensis sp. nov. Holotype. Schematic drawing of the eyes of anterior (A) and posterior (B) body regions in dorsal view from preserved specimen (the marginal bands were omitted).
FIGURE 5 in A new Peruvian land planarian species of the genus Gigantea (Platyhelminthes, Tricladida, Geoplanidae)
FIGURE 5. Gigantea urubambensis sp. nov. Holotype. Sagittal section through the copulatory apparatus; anterior end to the right.
FIGURE 6 in A new Peruvian land planarian species of the genus Gigantea (Platyhelminthes, Tricladida, Geoplanidae)
FIGURE 6. Gigantea urubambensis sp. nov. Holotype. Sagittal reconstruction of the copulatory apparatus; anterior end to the right. Only left efferent and left ovovitelline ducts are shown.
FIGURE 8. A in Report on freshwater Catenulida (Platyhelminthes) from Sweden with the description of four new species
FIGURE 8. A: Stenostomum sp. 1.; B–C: Stenostomum sp. 2; D–E: Stenostomum sp., 3. (A–B, D: freehand drawings of habitus; C, E: photographs of live specimens).
FIGURE 6 in Report on freshwater Catenulida (Platyhelminthes) from Sweden with the description of four new species
FIGURE 6. Habitus of selected species of Catenulida: A: Catenula lemnae; B: Catenula turgida; C: Catenula macrura; D: Rhynchoscolex simplex.
FIGURE 7 in Report on freshwater Catenulida (Platyhelminthes) from Sweden with the description of four new species
FIGURE 7. Species of Stenostomum: A–C: Stenostomum arevaloi (A: habitus; B: refractile organs; C: epidermal inclusions); D: Stenostomum grabbskogense (habitus); E–F: Stenostomum sphagnetorum (E: habitus; F: refractile organ); G–H: Stenostomum bryophilum (G: habitus; H: epidermal inclusions); I–J: Stenostomum leucops (I: habitus; J: refractile organ).
FIGURE 5 in Report on freshwater Catenulida (Platyhelminthes) from Sweden with the description of four new species
FIGURE 5. Live specimens of Catenulida: A–B: Stenostomum arevaloi (A: anterior end, B: tail); C-D: Stenostomum bryophilum (C: one zooid, D: two zooids); E: Stenostomum grabbskogense; F-G: Stenostomum leucops (F: whole animal, G: anterior end); H, L: Catenula turgida (H: whole individual, L: mouth region); I: Stenostomum sphagnetorum; J: Catenula macrura; K: Catenula lemnae; M: Rhynchoscolex simplex.
FIGURE 4. Stenostomum heebuktense n in Report on freshwater Catenulida (Platyhelminthes) from Sweden with the description of four new species
FIGURE 4. Stenostomum heebuktense n. sp. (A–B: photographs of live specimens; C: habitus of live specimen; D: live individual illustrating pharynx constriction; E: sagittal reconstruction of the pharynx from the left hand side (pharynx appears shorter in comparison with live animals due to constriction during fixation); F: anterior end of sagittal section).
FIGURE 2 in Report on freshwater Catenulida (Platyhelminthes) from Sweden with the description of four new species
FIGURE 2. Cladogram showing the relationships within Catenulida, based on a molecular phylogeny from Larsson et al. (2008). Names in bold indicate new species.
FIGURE 3. A–B in Report on freshwater Catenulida (Platyhelminthes) from Sweden with the description of four new species
FIGURE 3. A–B: Stenostomum gotlandense n. sp., C–E: Stenostomum handoelense n. sp., F–H: Stenostomum steveoi n. sp. (A, C, D, F, G: photographs of live specimens; B, E, H: freehand drawings of habitus of live specimen).
FIGURE 1 in New insights on the phylogenetic relationships of the Proseriata (Platyhelminthes), with proposal of a new genus of the family Coelogynoporidae
FIGURE 1. Maximum-likelihood estimate of the interrelationships of the Proseriata based on analysis of combined ssrDNA and lsrDNA data partitions (see Table 1). Major taxon names are indicated. Nodal support is indicated for BI (posterior probabilities), ML (bootstrap, n = 100) and MP (bootstrap, n=1000) as a percentage. The branch length scale is the number of substitutions per site.
FIGURES 32–33. Temnocephala pignalberiae. 32 in Temnocephala pignalberiae Dioni, 1967 (Platyhelminthes, Temnocephalida) from two allopatric populations of Dilocarcinus pagei Stimpson, 1861 (Crustacea, Decapoda) — first record for Brazil
FIGURES 32–33. Temnocephala pignalberiae. 32. partial view of the reproductive system, observed with Nomarski´s DIC microscopy: male organs – seminal vesicle (sv), prostatic bulb (pb), and prostatic secretion (ps); female organs – ovary (ov), distal vagina (dv), vaginal sphincter with the anterior vaginal portion (avs), and the posterior vaginal portion (pvs). Scale bar = 50 µm. 33. enlarged prostatic bulb showing the wall openings (black arrows), the prostatic secretion (ps), and cirrus (c), both from a specimen from Poconé. Scale bar = 50 µm.
FIGURES 22–26 in Temnocephala pignalberiae Dioni, 1967 (Platyhelminthes, Temnocephalida) from two allopatric populations of Dilocarcinus pagei Stimpson, 1861 (Crustacea, Decapoda) — first record for Brazil
FIGURES 22–26. Temnocephala pignalberiae, photomicrographs of seminal vesicle, prostatic bulb, and cirrus, dissected from specimens from Poconé, mounted in Faure´s mounting medium, observed with Nomarski´s DIC microscopy. 22. seminal vesicle, prostatic bulb, and cirrus. Scale bar = 50 µm. 23. prostatic bulb and cirrus. Scale bar = 50 µm. 24. cirrus, showing the proximal end of the shaft curving in (black arrow). Scale bar = 10 µm. 25–26. cirrus introvert observed in two different focusing planes, indicating the proximal limit of the spineless introvert (white head arrow) and the retractor muscles (black arrows). Scale bar = 10 µm.
FIGURES 19–21. Temnocephala pignalberiae seen with SEM. 19 in Temnocephala pignalberiae Dioni, 1967 (Platyhelminthes, Temnocephalida) from two allopatric populations of Dilocarcinus pagei Stimpson, 1861 (Crustacea, Decapoda) — first record for Brazil
FIGURES 19–21. Temnocephala pignalberiae seen with SEM. 19. entire specimen from Poconé, showing the dorsolateral 'excretory' syncytial plates (black head arrows) and position of excretory pores (n – white arrows). Scale bar = 200 µm. 20. left DLSP, seen in a specimen from Poconé, (n – white arrow). Scale bar = 100 µm. 21. left DLSP, seen in a specimen from Bebedouro, (n – white arrow). Scale bar = 100 µm.
FIGURES 14–18. Temnocephala pignalberiae. 14 in Temnocephala pignalberiae Dioni, 1967 (Platyhelminthes, Temnocephalida) from two allopatric populations of Dilocarcinus pagei Stimpson, 1861 (Crustacea, Decapoda) — first record for Brazil
FIGURES 14–18. Temnocephala pignalberiae. 14. incomplete diagram of an adult specimen, ventral view, showing: adhesive disk (ad), anterior testis (at), excretory ampullae (ea), dorsal vitelline glands (vg), Haswell glands (hg), large disk glands (paranephrocytes?) (ldg (p)), mouth (m), posterior testis (pt), pharynx (ph), and tentacles (t). Scale bar = 1 mm. 15. female reproductive organs: anterior portion of the vaginal sphincter (avs), genital atrium (ga), ovary (ov), posterior portion of the vaginal sphincter (pvs), vagina (va), vesicula resorbens (vr), vitelline glands duct (vgd), seminal receptacles (sr). Scale bar = 50 µm. 16. male reproductive system: cirrus (c), opening in the prostatic bulb wall (black head arrow), prostatic bulb (pb), prostatic cells (pc), prostatic secretion (ps), seminal vesicle (sv), and vasa deferentia (vd), Scale bar = 50 µm. 17. cirrus of specimens from Poconé, proximal limit of the introvert (arrow), proximal shaft base curving in. Scale bar = 25 µm. 18. cirrus of specimens from Bebedouro, proximal limit of the introvert (arrow), proximal shaft base not curving in. Scale bar = 25 µm.
FIGURES 1–2 in Temnocephala pignalberiae Dioni, 1967 (Platyhelminthes, Temnocephalida) from two allopatric populations of Dilocarcinus pagei Stimpson, 1861 (Crustacea, Decapoda) — first record for Brazil
FIGURES 1–2. Dilocarcinus pagei, showing the absence of eggs of T. pignalberiae on the external dorsal and ventral surfaces, including the pereiopods. 1. adult female specimen in dorsal view. Scale bar = 1.5 cm. 2. adult female specimen in ventral view. Scale bar = 1.5 cm. FIGURES 3–7. Temnocephala pignalberiae. 3. live eggs deposited on the tissue (asterisks) covering the inner upper surface of the carapace. Scale bar = 500 µm. 4. fixed eggs cemented to the tissue covering the inner upper surface of the carapace. Scale bar = 1 mm. 5. fixed eggs cemented to the tissue covering the inner upper surface of the carapace, in higher magnification (two asterisks). Scale bar = 500 µm. 6. unhatched egg showing the filament (black head arrow). Scale bar = 250 µm. 7. adult, killed in hot formalin showing the correct shape of the body, stained in aceto-carmine/fast green. Scale bar = 1 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.