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6,859 results for “parasitism”
Fig. 1 in Hyaloklossia Labb´e, 1896 (Alveolata: Apicomplexa) in frogs: Description of a new species and proposing a new subfamily to accommodate these enigmatic parasites
Fig. 1. Light microscopy of Hyaloklossia sporocysts in the kidney of Pelophylax porosus porosus. (A) Mature sporocysts within a cyst-like structure are visible in the renal interstitium. (B) Squash preparation of kidney showing numerous immature sporocysts. Note the granular cytoplasm of the sporoblasts (sporonts) and the barely visible membrane surrounding them. (C) A sporocyst (arrowhead) in the renal endothelial cell. (D) Mature oocyst (arrowhead) with two sporocysts in the renal endothelial cell. Asterisk indicates renal tubules. Bars = 25 μm.
Fig. 2 in Neglected parasite reservoirs in wetlands: Prevalence and diversity of avian haemosporidians in waterbird communities in Northeast China
Fig. 2. Diversity (a) and frequency (b) of haemosporidian parasite lineages obtained from waterbirds in Tumuji, China. Sankey diagrams of the correlation between waterbirds (left, sorted by order) and identified haemosporidian lineages (right). The width of the lines indicates proportion to the infection recordings in waterbirds, and the colour of the lines indicates the range of the lineage size. The numbers represent infection cases. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 6 in New data on Thelohanellus nikolskii Achmerov, 1955 (Myxosporea, Myxobolidae) a parasite of the common carp (Cyprinus carpio, L.): The actinospore stage, intrapiscine tissue preference and molecular sequence
Fig. 6. Phylogenetic position of Thelohanellus nikolskii spores from the fins and scales of common carp based on SSU rDNA analysis by the Maximum Likelihood algorithm. Myxobolus cerebralis was used as the outgroup. Bootstrap values are given at the nodes. The scale-bar indicates the number of expected substitutions per site.
Fig. 3 in Neglected parasite reservoirs in wetlands: Prevalence and diversity of avian haemosporidians in waterbird communities in Northeast China
Fig. 3. Bayesian phylogenetic reconstruction of 479 bp haemosporidian cyt b lineages from waterbirds in Tumuji, China, with Hepatocystis sp. as an outgroup, and several morpho-species were included for a higher resolution of phylogenetic patterns. Posterior probabilities higher than 0.90 are shown by the node. Lineages that were previously recorded and detected in this study are marked in bold. Major monophyletic clades with high support are labelled behind the line (Leucocytozoon: L1-L5; Haemoproteus: H1–H3).
Fig. 5 in New data on Thelohanellus nikolskii Achmerov, 1955 (Myxosporea, Myxobolidae) a parasite of the common carp (Cyprinus carpio, L.): The actinospore stage, intrapiscine tissue preference and molecular sequence
Fig. 5. Microphotograph of fresh, unstained actinospore of Aurantiactinomyxon type (AUM5) from Nais sp. Insert – apical view of spore with protruding polar capsules.
Fig. 1 in Neglected parasite reservoirs in wetlands: Prevalence and diversity of avian haemosporidians in waterbird communities in Northeast China
Fig. 1. Heatmap of the apparent prevalence of waterbird species in the Tumuji National Nature Reserve. Presenting infected waterbird species (left, sorted by order) with prevalence (indicated by colour gradient, scale from 0 to 1). The sample size is shown in parentheses.
Fig. 7 in New data on Thelohanellus nikolskii Achmerov, 1955 (Myxosporea, Myxobolidae) a parasite of the common carp (Cyprinus carpio, L.): The actinospore stage, intrapiscine tissue preference and molecular sequence
Fig. 7. Schematic illustration of T. nikolskii life cycle: Aurantiactinomyxon-type actinospores (A) infect the vertebrate host C. carpio (V) in which they develop myxospores (M) that infect the invertebrate host Nais sp. (I).
Fig. 2. A in New data on Thelohanellus nikolskii Achmerov, 1955 (Myxosporea, Myxobolidae) a parasite of the common carp (Cyprinus carpio, L.): The actinospore stage, intrapiscine tissue preference and molecular sequence
Fig. 2. A: Section of an infected fin, containing T. nikolskii cysts, stained with hematoxilin-eosin. Cartilage of finray (cf) is next to the cyst. Plasmodium (p) is in the achromatic tegument, mature myxospores (s) are in the middle, sporoblasts (sb) are at the edges. Around the plasmodium, there is a thick connective tissue (ct) layer, containing cartilaginous elements (c). Multilayer epithelium (e) is the outer layer. B: T. nikolskii myxospores from the plasmodium.
Fig. 4. A in New data on Thelohanellus nikolskii Achmerov, 1955 (Myxosporea, Myxobolidae) a parasite of the common carp (Cyprinus carpio, L.): The actinospore stage, intrapiscine tissue preference and molecular sequence
Fig. 4. A: Cross section of infected scales, stained with hematoxilin-eosin. The plasmodia (p) are filled with myxospores (s) and are surrounded by cartilaginous tissue (c) of the scales, covered by the epithelium layer (e). B: T. nikolskii myxospores from a plasmodium in the scale.
Fig. 1 in Caryophyllidean tapeworms (Cestoda), Nearctic parasites of fish in Mexico, including description of a new species of Isoglaridacris and the first report of Khawia japonensis, an invasive parasite of common carp (Cyprinus carpio)
Fig. 1. Archigetes sp. 1 from Notropis caliensis, Michoac´an (CNHE 6800) (A, C, F); Archigetes (?) sp. 2 from Notropis nazas, Durango (CNHE 6797) (B, E); Archigetes sp. 3 from Chirostoma sp., Michoac´an (CNHE 6801) (D). A, B – total view, dorsally; C, E – anterior part with scolex; note different position of anterior-most testes and vitelline follicles between C and E; D – total view, ventrally; F – ovarian and uterine region, dorsally. Abbreviations: cs – cirrus-sac; eb – excretory bladder; eg – eggs; esv – external seminal vesicle; lo – loculi; ov – ovary; sr – seminal receptacle; te – testes; vf – vitelline follicles.
Fig. 3 in Caryophyllidean tapeworms (Cestoda), Nearctic parasites of fish in Mexico, including description of a new species of Isoglaridacris and the first report of Khawia japonensis, an invasive parasite of common carp (Cyprinus carpio)
Fig. 3. Khawia japonensis (Yamaguti, 1934) from Cyprinus carpio, Durango (CNHE 6516). A – total view, ventrally (median preovarian vitelline follicles omitted except for anterior-most follicles); B – anterior end; C – posterior end, ventrally. Abbreviations: cgp – common genital pore; cs – cirrus-sac; Mg – Mehlis' gland; ov – ovary; povf – postovarian vitelline follicles; sd – sperm duct (vas deferens); sr – seminal receptacle; te – testes; ug – uterine glands; ut – uterus; va – vagina; vf – vitelline follicles.
Fig. 2 in Caryophyllidean tapeworms (Cestoda), Nearctic parasites of fish in Mexico, including description of a new species of Isoglaridacris and the first report of Khawia japonensis, an invasive parasite of common carp (Cyprinus carpio)
Fig. 2. Isoglaridacris brevicollis sp. n. from Catostomus nebuliferus, Durango (CNHE 6802; IPCAS C-885; 2x CNHE 6761) (A–D), Catostomus bernardini, Sonora (CNHE 6796) (E), and Moxostoma astrinum, Jalisco (CNHE 6799) (F); Pseudoglaridacris confusa (Hunter, 1929) from Ictiobus meridionalis, Oaxaca (CNHE 6798) (G). A – total view, ventrally; B – anterior end; C – posterior end, ventrally; D – slightly contracted scolex; E – cirrus-sac with external seminal vesicle, ventrally; F – ovary with overlapping posterior wings, dorsally (uterine loops are omitted at level of ovarian isthmus and more posteriorly); G – total view, dorsally. Abbreviations: cgp – common genital pore; cs – cirrus-sac; eb – excretory bladder; esv – external seminal vesicle; lo – loculi; ov – ovary; povf – postovarian vitelline follicles; sd – sperm duct (vas deferens); te – testes; ut – uterus; va – vagina; vd – vitelline duct; vf – vitelline follicles.
Fig. 4 in Characterization of the Plasmodium and Haemoproteus parasite community in temperate-tropical birds during spring migration
Fig. 4. Differences by foraging guild among infected birds in the probability of Haemoproteus versus Plasmodium infection adjusted for the significant predictors in the model. Single asterisks with brackets beneath denote significant differences between categories.
Fig. 3 in Characterization of the Plasmodium and Haemoproteus parasite community in temperate-tropical birds during spring migration
Fig. 3. Differences by wintering ground among infected birds in the probability of Haemoproteus versus Plasmodium infection adjusted for the significant predictors in the model. Single asterisks with brackets beneath denote significant differences between categories.
Fig. 2 in Characterization of the Plasmodium and Haemoproteus parasite community in temperate-tropical birds during spring migration
Fig. 2. Differences by avian family in the probabilities of a) infection versus non-infection with a Haemosporidian parasite and b) among infected birds, the Plasmodium versus Haemoproteus infection adjusted for the significant predictors in the respective models. Single asterisks with brackets beneath denote significant differences between families.
Fig. 1 in Characterization of the Plasmodium and Haemoproteus parasite community in temperate-tropical birds during spring migration
Fig. 1. Location of field site in Clive Runnells Family Mad Island Marsh Preserve in Texas, USA (Image credit: Google Earth).
Fig. 5. Mothocya andoni n in Two new species of branchial fish parasitic isopod of the genus Mothocya Costa, in Hope, 1851 (Isopoda, Cymothoidae) from Nigeria
Fig. 5. Mothocya andoni n. sp. Ƌ (12.0 mm total length, 5.0 mm width) (SAMC–A092738). A, Antennula; B, Antenna; C, Maxilliped; D, Tip of maxillula; E, Mandible palp; F, Maxilla.
Fig. 2. Mothocya andoni n in Two new species of branchial fish parasitic isopod of the genus Mothocya Costa, in Hope, 1851 (Isopoda, Cymothoidae) from Nigeria
Fig. 2. Mothocya andoni n. sp. paratype ♀ (non-ovigerous, 18.0 mm total length, 9.0 mm width) (SAMC–A092738). A, Antennula; B, Antenna; C, Mandible; D, Maxillula; E, Maxilla; F, Maxilliped.
Fig. 3. Mothocya andoni n in Two new species of branchial fish parasitic isopod of the genus Mothocya Costa, in Hope, 1851 (Isopoda, Cymothoidae) from Nigeria
Fig. 3. Mothocya andoni n. sp. paratype ♀ (non-ovigerous, 18.0 mm total length, 9.0 mm width) (SAMC–A092738). A, Pleopod 1 ventral view; B, Pleopod 2 ventral view; C, Pleopod 3 ventral view; D, Pleopod 4 ventral view; E, Pleopod 5 ventral view; F, Pleopod 1 dorsal view; G, Pleopod 2 dorsal view; H, Pleopod 3 dorsal view; I, Pleopod 4 dorsal view; J, Pleopod 5 dorsal view.
Fig. 1. Mothocya andoni n in Two new species of branchial fish parasitic isopod of the genus Mothocya Costa, in Hope, 1851 (Isopoda, Cymothoidae) from Nigeria
Fig. 1. Mothocya andoni n. sp. holotype ♀ (ovigerous, 15.0 mm total length, 8.0 mm width) (SAMC–AA092737). A, Dorsal body; B, Lateral body; C, Oostegites; D, Dorsal view of cephalon and pereonite 1; E, Uropod; F, Ventral cephalon; G, Dorsal view of pleon; H, Pereopod 1; I, Pereopod 7.
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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.