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13,864 results for “staging”
Figure 17 in The preimaginal stages of Minotetrastichus frontalis (Nees) and Chrysocharis laomedon (Walker) (Hymenoptera: Eulophidae), parasitoids associated with Phyllonorycter issikii (Kumata) (Lepidoptera, Gracillariidae)
Figure 17. Larva of the second instar of C. laomedon (Photo: A.V. Mishchenko, 7 July 2009).
Figure 5 in The juvenile stages of Parastacus brasiliensis (von Martens, 1869) (Crustacea, Decapoda, Parastacidae)
Figure 5. Parastacus brasiliensis von Martens, first juvenile. (A) Antenna 1, dorsal view; (B) antenna 2, dorsal view; (C) mandible, oral view; (D) maxilla 1, aboral view; (E) maxilla 2, aboral view; (F) maxilliped 1, aboral view. bsg, basal segment; bsp, basipodite; cxp, coxopodite; de, distal endite; dsg, distal segment; en, endite; ep, epipodite; exp, exopodite; exf, external flagellum; inf, internal flagellum; mp, mandibular palp; msg, median segment; pe, proximal endite; pt, protopodite. Scale bar: 0.3 mm.
Figure 7 in The juvenile stages of Parastacus brasiliensis (von Martens, 1869) (Crustacea, Decapoda, Parastacidae)
Figure 7. Parastacus brasiliensis von Martens, second juvenile. (A) Antenna 1, dorsal view; (B) antenna 2, dorsal view; (C) mandible, aboral view; (D) maxilla 1, aboral view. Scale bar: 0.3 mm.
Figure 10 in The juvenile stages of Parastacus brasiliensis (von Martens, 1869) (Crustacea, Decapoda, Parastacidae)
Figure 10. Parastacus brasiliensis von Martens, third juvenile. (A) Antenna 1, dorsal view; (B) antenna 2, dorsal view; (C) mandible, oral view; (D) maxilla 1, aboral view. Scale bar: 0.3 mm.
Supplementary material for "Multi-tracer model for staging cortical amyloid deposition using PET imaging"
<p><b>Objective: </b>To develop and evaluate a model for staging cortical amyloid deposition using PET with high generalizability.</p> <p><b>Methods:</b> 3027 subjects (1763 Cognitively Unimpaired (CU), 658 Impaired, 467 Alzheimer's disease (AD) dementia, 111 non-AD dementia, and 28 with missing diagnosis) from six cohorts (EMIF-AD, ALFA, ABIDE, ADC, OASIS-3, ADNI) who underwent amyloid PET were retrospectively included; 1049 subjects had follow-up scans. Applying dataset-specific cut-offs to global Standard Uptake Value ratio (SUVr) values from 27 regions, single-tracer and pooled multi-tracer regional rankings were constructed from the frequency of abnormality across 400 CU subjects (100 per tracer). The pooled multi-tracer ranking was used to create a staging model consisting of four clusters of regions as it displayed a high and consistent correlation with each single-tracer ranking. Relationships between amyloid stage, clinical variables and longitudinal cognitive decline were investigated.</p> <p><b>Results: </b>SUVr abnormality was most frequently observed in cingulate, followed by orbitofrontal, precuneal, and insular cortices, then the associative, temporal and occipital regions. Abnormal amyloid levels based on binary global SUVr classification were observed in 1.0%, 5.5%, 17.9%, 90.0%, and 100.0% of stage 0-4 subjects, respectively. Baseline stage predicted decline in MMSE (ADNI: <i>N=</i>867,<i> F</i>=67.37, <i>p<</i>0.001; OASIS: (<i>N=</i>475,<i> F</i>=9.12, <i>p<</i>0.001) and faster progression towards an MMSE≤25 (ADNI: <i>N=</i>787, <i>HR<sub>stage1</sub></i>=2.00,<i> HR<sub>stage2</sub></i>=3.53,<i> HR<sub>stage3</sub></i>=4.55,<i> HR<sub>stage4</sub></i>=9.91, <i>p<</i>0.001; OASIS:<i> N=</i>469,<i> HR<sub>stage4</sub></i>=4.80, <i>p<</i>0.001).</p> <p><b>Conclusion</b>: The pooled multi-tracer staging model successfully classified the level of amyloid burden in >3000 subjects across cohorts and radiotracers, and detects pre-global amyloid burden and distinct risk profiles of cognitive decline within globally amyloid-positive subjects.</p>
Figure 5 in Biology and immature stages of Panteles schnetzeanus (Hymenoptera: Ichneumonidae), a parasitoid of Lampronia fuscatella (Lepidoptera: Incurvariidae)
Figure 5. Eupelmid parasitoid of Lampronia. (A, B) Larva in situ in Lampronia gall showing long setae (A) and brown gut contents (B); (C) whole head capsule with strong sclerotized mandibles but with little other sclerotized skeleton; (D–F) details shown at three different focal planes: (D) showing toothless mandibles, (E) showing opening of salivary glands with single circular orifice (arrowed), and (F) showing serrate ridge (edge of clypeus) over mandibles (at level of midlength of right mandible blade).
F in Morphology of the larval and first juvenile stages of the spider crab Lissa chiragra (Brachyura: Majidae: Pisinae)
F. 11. Lissa chiragra (Fabricius, 1775). Megalopa: third maxilliped. Scale bar: 0.1 mm.
FIGURE 2 in The hydroid and early medusa stages of the deep sea jellyfish Earleria purpurea (Hydrozoa: Mitrocomidae) from the Monterey Bay Submarine Canyon, USA
FIGURE 2. Polyps of Earleria purpurea; a hydranth, b gonangium; scale bar = 2mm.
FIG. 25 in The biology and early stages of Acampsis alternipes (Nees), with comments on the relationships of the Sigalphinae (Hymenoptera: Braconidae)
FIG. 25. Detection and quanti®cation of fatty acids in Acampsis alternipes cocoon liquid
FIG. 4 in Larval and early juvenile stages of Pirimela denticulata (Montagu, 1808) (Crustacea, Brachyura, Pirimelidae) reared in the laboratory
FIG. 4. Pirimela denticulata (Montagu): (a±d) maxilla of ®rst to fourth zoeas. Scale bar 5 0.1 mm.
F in Morphology of the larval and first juvenile stages of the spider crab Lissa chiragra (Brachyura: Majidae: Pisinae)
F. 19. Lissa chiragra (Fabricius, 1775). First crab: abdomen, dorsal view. Scale bar: 0.2 mm.
F in Morphology of the larval and first juvenile stages of the spider crab Lissa chiragra (Brachyura: Majidae: Pisinae)
F. 17. Lissa chiragra (Fabricius, 1775). First crab: third maxilliped. Scale bar: 0.1 mm.
F in Morphology of the larval and first juvenile stages of the spider crab Lissa chiragra (Brachyura: Majidae: Pisinae)
F. 9. Lissa chiragra (Fabricius, 1775). Megalopa: (A) maxillule; (B) maxilla. Scale bar: 0.1 mm.
FIG. 5 in On the life-habits and developmental stages of Nidomyia cana Papp (Diptera, Borboropsidae)
FIG. 5. Habitus of third instar larva. Scale 1 mm.
Fig. 3 in Biology and morphology of immature stages of Coniocleonus nigrosuturatus (Coleoptera: Curculionidae: Lixinae)
Fig. 3. Coniocleonus nigrosuturatus (Goeze, 1777), pupa habitus: A – ventral view, B – dorsal view, C – lateral view (vs – vertical seta(e), sos – superorbital s., os – orbital s., pas – postantennal s., rs – rostral s., as – apical s., ls – lateral s., ds – discal s., pls – posterolateral s., fes – femoral s., d – dorsal s., l – lateral s., v – ventral s.; Th1-3, Ab1-10 – number of thotacic and abdominal segment; pc – pseudocerci).
Fig. 13 in Description of the larval stages of the berosine genera Berosus and Regimbartia based on the Japanese species B. japonicus and R. attenuata (Coleoptera: Hydrophilidae)
Fig. 13. Third instar larva of Regimbartia attenuata (Fabricius, 1801), head capsule. A–B – head capsule, dorsal (A) and ventral (B); C – anterior margin of head capsule, dorsal.
Fig. 7 in Description of the larval stages of the berosine genera Berosus and Regimbartia based on the Japanese species B. japonicus and R. attenuata (Coleoptera: Hydrophilidae)
Fig. 7. Third instar larva of Berosus (Berosus) japonicus Sharp, 1873, head appendages. A–B – mandible, dorsal; C–D – labium, dorsal (C) and ventral (D).
Fig. 5 in Description of the larval stages of the berosine genera Berosus and Regimbartia based on the Japanese species B. japonicus and R. attenuata (Coleoptera: Hydrophilidae)
Fig. 5. Third instar larva of Berosus (Berosus) japonicus Sharp, 1873, dorsal; A – head capsule; B – anterior margin of head capsule; C – detail of setae of gFR2; D – spiracular atrium; E – spiracle in spiracular atrium.
Fig. 2 in Description of the larval stages of the berosine genera Berosus and Regimbartia based on the Japanese species B. japonicus and R. attenuata (Coleoptera: Hydrophilidae)
Fig. 2. First instar larva of Berosus (Berosus) japonicus Sharp, 1873, head capsule, dorsal (A) and ventral (B).
Fig. 11 in Description of the larval stages of the berosine genera Berosus and Regimbartia based on the Japanese species B. japonicus and R. attenuata (Coleoptera: Hydrophilidae)
Fig. 11. First instar larva of Regimbartia attenuata (Fabricius, 1801), head appendages. A–B – mandible, dorsal; C–D – labium, dorsal (C) and ventral (D).
ScienceDex guides
Understand access before you commit
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.