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2,050 results for “southern Brazil”
FIGURES 1–5 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 1–5. Cratera steffeni sp. nov.: (1–2) colour pattern of a fixed specimen (paratype MZU PL.00178) in dorsal view; (3) eyes pattern of a fixed specimen (paratype MZU PL.00177) in dorsal view; (4) detail of eyes pattern in the anterior extremity of the holotype; (5) detail of the median third of the body of the holotype. Anterior tip to the left (Figs. 1–3) or to the top (Figs. 4–5). (ca) copulatory apparatus; (db) dorsal band; (e) eyes; (ph) pharynx; (ps) paramarginal stripes.
FIGURES 16–17 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 16–17. Cratera steffeni sp. nov.: (16) copulatory apparatus of the holotype in sagittal section; (17) copulatory apparatus of paratype MZU PL.00176 in horizontal section. Anterior tip to the left. The arrow indicates the approximate position of the common muscle coat. (cmc) common muscle coat; (ej) ejaculatory duct; (fa) female atrium; (go) gonopore; (ma) male atrium; (ov) ovovitelline ducts; (p) penis papilla; (pv) prostatic vesicle; (sc) secretory cells; (sg) shell glands; (va) vagina.
FIGURES 14–15 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 14–15. Cratera steffeni sp. nov.: (14) sagittal composite reconstruction of the copulatory apparatus of the holotype; (15) diagrammatic horizontal composite reconstruction of the copulatory apparatus of paratype MZU PL.00176. Anterior tip to the left. (cmc) common muscle coat; (cov) common glandular ovovitelline duct; (ej) ejaculatory duct; (fa) female atrium; (go) gonopore; (ma) male atrium; (ov) ovovitelline ducts; (p) penis papilla; (pv) prostatic vesicle; (sc) secretory cells; (sg) shell glands; (sv) spermiducal vesicle; (va) vagina.
FIGURES 6–13 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 6–13. Cratera steffeni sp. nov., holotype: (6) anterior region of the body in transverse section; (7) detail of the anterior region of the body in transverse section; (8) pre-pharyngeal region in transverse section; (9) detail of body margin of the pre-pharyngeal region in transverse section; (10) detail of the dorsal surface of the pre-pharyngeal region in transverse section; (11) detail of the ventral surface of the pre-pharyngeal region in transverse section; (12) pharynx in sagittal section (anterior tip to the left); (13) ovary in sagittal section (anterior tip to the left). (de) dorsal epidermis; (di) dorsal insertion; (dm) dorsal cutaneous musculature; (e) eyes; (es) esophagus; (gm) glandular margin; (i) intestine; (im) internal musculature; (lu) pharyngeal lumen; (m) mouth; (mm) mesenchymal muscles; (n) nerve cord; (o) ovary; (om) outer musculature; (ov) ovovitelline duct; (pp) pharyngeal pouch; (sc) secretory cells; (sp) sensory pit; (t) testes; (v) vitellaria; (ve) ventral epidermis; (vi) ventral insertion; (vm) ventral cutaneous musculature.
FIGURE 3 in Podocoryna loyola, n. sp. (Hydrozoa, Hydractiniidae): a probably introduced species on artificial substrate from southern Brazil
FIGURE 3. Phylogenetic hypothesis derived from maximum likelihood analysis based on a fragment of the 16S mitochondrial gene (540 bp). The sequence of the species described here is referred to "Podocoryna loyola Brazil." The numbers above and below the branches support values are obtained per 100 bootstrap replicates.
FIGURE 2 in Podocoryna loyola, n. sp. (Hydrozoa, Hydractiniidae): a probably introduced species on artificial substrate from southern Brazil
FIGURE 2. Diagram showing the main morphometric measurements taken of the hydromedusa and some of its most characteristic structures. Dmax: maximum diameter of the umbrella; Hmax: maximum total height of the umbrella; Dmar: diameter of the umbrella margin; Dape: diameter of the opening to the subumbrellar cavity; Hmes: height of the mesoglea in the apical region; Hman: height of the manubrium; Thmes: thickness of the mesoglea near the edge. (modified from Tronolone 2001).
FIGURE 1 in Podocoryna loyola, n. sp. (Hydrozoa, Hydractiniidae): a probably introduced species on artificial substrate from southern Brazil
FIGURE 1. Baía de Paranaguá and the State of Paraná in Brazil. Location of the Paranaguá Yacht Club inside the Baía de Paranaguá (where Podocoryna loyola n. sp. was found on polyethylene plates).
FIGURE 4 in Astyanax douradilho, a new characid fish from the rio Tramandaí system, southern Brazil (Characiformes: Characidae)
FIGURE 4. Type locality of Astyanax douradilho, arroio Encantado, rio Tramandaí system, municipality of Maquiné, Rio Grande do Sul State, Brazil.
FIGURE 1. Astyanax douradilho, MCN 19858, 90.0 in Astyanax douradilho, a new characid fish from the rio Tramandaí system, southern Brazil (Characiformes: Characidae)
FIGURE 1. Astyanax douradilho, MCN 19858, 90.0 mm SL, holotype, arroio Encantado, rio Maquiné basin, rio Tramandaí system, municipality of Maquiné, Rio Grande do Sul State, Brazil. A) Specimen just after fixation; B) in alcohol.
FIGURE 3 in Astyanax douradilho, a new characid fish from the rio Tramandaí system, southern Brazil (Characiformes: Characidae)
FIGURE 3. Map of southern Brazil showing the distribution of the examined material of Astyanax douradilho. Some symbols represent more than one lot or locality. T = type locality.
FIGURE 2. Astyanax douradilho, MCP 25700, 54.0 in Astyanax douradilho, a new characid fish from the rio Tramandaí system, southern Brazil (Characiformes: Characidae)
FIGURE 2. Astyanax douradilho, MCP 25700, 54.0 mm SL, paratype. Upper and lower jaw teeth, left side, lateral view. Scale bars = 1 mm.
FIGURES 1–9 in Description of Epistylis riograndensis n. sp. (Ciliophora: Peritrichia) found in an artificial lake in Southern Brazil
FIGURES 1–9 (1–4 Obtained from in vivo specimens and 5–9 from protargol stained colonies). 1. General view of a colony of Epistylis riograndensis. 2. Detail of the elongate zooids. 3. Peristomial lip of a fully expanded zooid (arrow). 4. Macronucleus of a living zooid (arrow). 5. Protargol stained zooid showing the myonemes. 6. Trochal band with one row of kinetososmes. 7. General view of the oral polykinetids (PK1, PK2, and PK3). 8. Detail of oral polikinetids 1 and 2(PK1 and PK2), and macronucleus (arrow). 9. Detail of oral polykinetid 3 (PK3).
FIGURE 12 in Description of Epistylis riograndensis n. sp. (Ciliophora: Peritrichia) found in an artificial lake in Southern Brazil
FIGURE 12. Maximum likelihood (ML) phylogram showing the placement of Epistylis riograndensis n. sp. (in bold) in Peritrichia phylogenetic tree, on the basis of 18S rDNA sequences. Values above the branches indicate bootstrap values for adjacent nodes with ML and MP; values below the branches indicate bootstrap support with neighbor-joining algorithm (NJ) and clade posterior probabilities (shown as percentages) estimated with Bayesian inference. The tree is drawn to scale, and the analyses involved 24 nucleotide sequences.
FIGURE 10–11 in Description of Epistylis riograndensis n. sp. (Ciliophora: Peritrichia) found in an artificial lake in Southern Brazil
FIGURE 10–11. Schematic drawing of a colony of E. riograndensis showing the macronucleus (MAC), the contractile vacuole (CV), and a contracted zooid with transversal folds near the scopula. 11. Schematic drawing of the three infundibular oral polykinetids (PK1, PK2, and PK3).
FIGURE 10 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 10. Biogeographic regions and provinces in South America (A), with details of the study area (in dark blue) and sampling sites of Scapteromys meridionalis [For details see Material and Methods] (B); and Araucaria angustifolia Forest habitat (C). Sources: A, adapted from Morrone (2006); C, Photography of Araucaria angustifolia Forest: G.L. Gonçalves.
FIGURE 9 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 9. Occlusal views of upper and lower molar series of Scapteromys meridionalis holotype (FURB 20253). Bar = 1 mm.
FIGURE 6 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 6. Thenar pad of manus (indicated by the red arrow) and its respective morphology in Scapteromys meridionalis (holotype, FURB 20253) (right) and S. tumidus (FURB 20290) (left). Bar = 1 mm.
FIGURE 8 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 8. Hamular process of pterygoid (red square) and its respective shapes in Scapteromys meridionalis (holotype, FURB 20253) (left) and S. tumidus (MCNU 3378) (right).Bar = 1 mm.
FIGURE 5 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 5. Dorsal (upper), ventral (middle) and bottom (bottom) views of skins of (A) Scapteromys meridionalis (holotype, FURB 20253), (B) S. aquaticus (FCM 500) and (C) S. tumidus (FURB 20290). Bar = 10 mm.
FIGURE 7 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 7. (A) Dorsal (left), ventral (middle) and lateral (right) views of skull and labial view of mandible (bottom right) of (A) Scapteromys meridionalis holotype (FURB 20253). (B) S. aquaticus (FCM 489) and (C) S. tumidus (FURB 20289). Bar = 5 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.