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1,925 results for “Platyhelminthes”
FIGURE 3. Macrostomum shiyanensis n in Two new species and the molecular phylogeny of eight species of Macrostomum (Platyhelminthes: Macrostomorpha) from southern China
FIGURE 3. Macrostomum shiyanensis n. sp.: (A) WHOLE BOdy; (B) LONgITUdINaL SEcTION (C) MaLE cOPULaTORy SySTEM; (D) PENIS STyLET; (E) MaTURE SPERM. af: FEMaLE aTRIUM; ag: adHESIVE gLaNdS; b: BRaIN; e: EyES; eg: EOSINOPHILIc gLaNdS; fg: FEMaLE gONOPORE; fvs: FaLSE VESIcULa SEMINaLIS; i: INTESTINE; m: MOUTH; mg: MaLE gONOPORE; o: OVaRy; p: PHaRyNx; pg: PHaRyNgEaL gLaNdS; ps: PENIS STyLET; sh: SENSORy HaIRS; t: TESTES; vg: VESIcULa gRaNULORUM; vs: VESIcULa SEMINaLIS.
Figures 10–13 in Six freshwater microturbellarian species (Platyhelminthes) in permanent wetlands of the Coastal Plain of southern Brazil: new records, abundance, and distribution
Figures 10–13. Photographs of specimens in vivo after squeeze preparation (10, 12) and diagrammatic reconstructions (11, 13) in dorsal view of species of Dalytyphloplanida recorded for the Coastal Plain of southern Brazil. 10, 11. Baicalellia evelinae. 12, 13. Gieysztoria chiqchi. Details of the penis stylet are shown in 11B and 13B.
Figures 8, 9 in Six freshwater microturbellarian species (Platyhelminthes) in permanent wetlands of the Coastal Plain of southern Brazil: new records, abundance, and distribution
Figures 8, 9. Photograph of specimen in vivo after squeeze preparation (8) and diagrammatic reconstruction (9) in dorsal view of Stenostomum hemisphericum recorded for the Coastal Plain of southern Brazil.
Figures 2–7 in Six freshwater microturbellarian species (Platyhelminthes) in permanent wetlands of the Coastal Plain of southern Brazil: new records, abundance, and distribution
Figures 2–7. Photographs of specimens in vivo after squeeze preparation (2, 4, 6) and diagrammatic reconstructions in dorsal view (3, 5, 7) of species of Catenula recorded in the Coastal Plain of southern Brazil. 2, 3. Catenula evelinae. 4, 5. C. leuca. 6, 7. C. turgida. Scale bars = 100 µm.
Figure 1 in Six freshwater microturbellarian species (Platyhelminthes) in permanent wetlands of the Coastal Plain of southern Brazil: new records, abundance, and distribution
Figure 1. Study areas in the Coastal Plain of the southern Brazilian state of Rio Grande do Sul (white area): Terra de Areia (1 = 29°29'05" S, 049°52'21" W), Osório (2 = 29°53'20" S, 050°08'09" W, and 3 = 29°52'02" S, 050°05'16" W), Tramandaí (4 = 30°05'09" S, 050°10'24" W), and Capivari do Sul (5 = 30°10'22" S, 050°23'10" W).
FIGURE 11 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 11. Paraba multicolor. (A–F) Sagittal sections of the reproductive system: copulatory apparatus (MLP-He 6471-3) (A), opening of the sperm duct into the prostatic vesicle (MLP-He 6471-3) (B), proximal portion of the prostatic vesicle (MLP- He 6471-3) (C), detail of the male system (MLP-He 6471-2) (D), ovary (MLP-He 6471-3) (E), detail of the female atrium (MLP-He 6471-2) (F). Scale bars: A, D: 500µm; B, E: 200µm; C, F: 100µm.
FIGURE 10 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 10. Paraba multicolor. Schematic reconstruction of the copulatory apparatus, in sagittal view (MLP-He 6471-3). Scale bar: 1mm.
FIGURE 12 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 12. Obama ladislavii. (A–B) Photographs of live specimens in dorsal view: MLP-He 7413 (A), MLP-He 7414 (B) (arrow indicates the position of the gonopore). (C) Schematic reconstruction of the copulatory apparatus, in sagittal view (MLP-He 7017). Asterisk indicates the position of cyanophil granular secretion in the middle sagittal plane. (D–H) Sagittal sections of the reproductive system (MLP-He 7017) (asterisk indicates the position of cyanophil granular secretion): copulatory apparatus (D), detail of the proximal portion of the prostatic vesicle (E), detail of the distal portion of the prostatic vesicle (F), para-sagittal section at the level of the male atrium (G), detail of the ascending section of one of the ovovitelline ducts (H). Scale bars: A, B: 10mm, C, D, G: 500µm; E, F, H: 100µm.
FIGURE 7 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 7. Geoplana quagga. (A) Dorsal view of live specimen (MLP-He 7411-2). (B) Detail of the cephalic region of preserved specimen (MLP-He 7412). (C) Dorsal view of preserved specimen (MLP-He 7411-1). (D) Sagittal section of the pharynx (MLP-He 7411-1). (E, F) Sagittal sections of the anterior region (MLP-He 7412): at the level of testes (E), at the level of the ovaries (F). (G) Body region immediately posterior to the pharynx, with nematode larva (MLP-He 7412). Scale bars: A, C: 10mm, B: 1mm, D, G: 500µm, E, F: 200µm.
FIGURE 8 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 8. Geoplana quagga. (A) Schematic reconstruction of the copulatory apparatus, in sagittal view (MLP-He 7412). (B– E) Sagittal sections of the reproductive system: copulatory apparatus (MLP-He 7412) (B), detail of the extrabulbar prostatic vesicle (MLP-He 7411-1) (C), detail of the ejaculatory duct and male atrium (MLP-He 7411-1) (D), detail of male atrium (MLP-He 7411-1) (E). Scale bars: A, B: 500µm, C–E: 100µm.
FIGURE 6 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 6. Imbira negrita sp. nov. Sagittal sections of the reproductive system. (A) Detail of the proximal portion of the prostatic vesicle (arrows indicate prostatic secretion) (holotype). (B) Detail of the male reproductive system (holotype). (C) Copulatory apparatus of the holotype. (D) Copulatory apparatus of paratype 1. (E) Copulatory apparatus of paratype 2. (F) Latero-external portion of the ovary (holotype). (G) Middle portion of the ovary (arrow indicates nematode larva) (holotype). (H) Detail of the female atrium (holotype). In F and G, arrowheads indicate longitudinal parenchymal muscle fibres in discrete bundles. Scale bars: A: 250µm, B–E: 500µm, F, G: 200µm, H: 100µm.
FIGURE 4 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 4. Imbira negrita sp. nov. (A) Photograph of a live specimen (holotype), in dorsal view. In the inset, the same specimen showing part of the ventral surface. (B) Half of a transverse section at the cephalic region (on the left) (paratype 1) and near the ovaries (on the right) (holotype). Arrowheads indicate longitudinal parenchymal muscle fibres. C Transverse section of the pre-pharyngeal region. (D, E) Transverse sections of the pre-pharyngeal region with details: dorsal to intestine (D), ventral to intestine (E). Scale bars: A: 10mm, B, D, E: 250µm, C: 500µm.
FIGURE 5 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 5. Imbira negrita sp. nov. (holotype). (A) Sagittal section of the pharynx. (B–D) Schematic reconstructions of the copulatory apparatus in sagittal view: holotype (B), paratype 1 (C), paratype 2 (D). Scale bars: A: 1mm, B–D: 500µm.
FIGURE 3 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 3. Pasipha quirogai sp. nov. (A–D) Sagittal sections at the level of the prostatic vesicle (small folds of the male atrium indicated by arrows). (E) Schematic reconstruction of the copulatory apparatus in sagittal view. (F–H) Sagittal sections of the reproductive system: copulatory apparatus (F), ovary (G), detail of the female atrium (H). Scale bars: A–D, G, H: 200µm, E, F: 500µm.
FIGURE 2 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 2. Pasipha quirogai sp. nov. (A) Photograph of preserved specimen (holotype), in dorsal view (arrowheads indicate the position of the mouth and gonopore, respectively). (B) Half of a transverse section at the cephalic region (on the left) and at the pre-pharyngeal region (on the right). (C–E) Transverse sections of the pre-pharyngeal region with details: glandular margin (C), dorsal to intestine (D), ventral to intestine (E). (F) Sagittal section of the pharynx. Scale bars: A: 5mm, B: 200µm, C: 50µm, D, E: 100µm, F: 500µm.
FIGURE 9 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 9. Paraba multicolor. (A) Live specimen in dorsal view (MLP-He 6471-2). (B) Preserved specimen in dorsal view (MLP-He 6471-3). (C–F) Transverse sections of the pre-pharyngeal region with details (MLP-He 6471-3): pre-pharyngeal region (C), detail of glandular margin (D), detail of testes (E), detail of sperm duct and ovovitelline duct (F). (G) Sagittal section of the pharynx (MLP-He 6471-2). Scale bars: A, B: 10mm, C, G: 1mm, D, E: 100µm, F: 50µm.
FIGURE 1 in Increasing diversity of land planarians (Platyhelminthes: Geoplanidae) in the Interior Atlantic Forest with the description of two new species and new records from Argentina
FIGURE 1. Map with the known distribution of Geoplana quagga, Obama ladislavii, and Paraba multicolor throughout Brazil (original extension of the Atlantic Forest in dark grey). In detail, the Argentine portion of the Atlantic Forest (Misiones province) with the new records of these species and localities of the new species here described. (CIAR) Centro de Investigaciones Antonia Ramos, (MO) Moconá Provincial Park, (OS) Osununú Private Reserve, (SA) San Antonio, (SE) Salto Encantado Provincial Park.
FIGURE 7 in Two new polyclad (Platyhelminthes: Polycladida) flatworm species from the Lakshadweep Islands, India
FIGURE 7. Pseudoceros bifascia sp. nov. Diagrammatic representation of sagittal sections showing arrangement of male and female reproductive structures, anterior to the right. cg, cement glands; cp, cement pouch; ed, ejaculatory duct; fa, female atrium; fp, female gonopore; in, intestine; ma, male atrium; mp, male gonopore; ov, ovaries; pd, prostatic duct; pp, penis papilla; pv, prostatic vesicle; sv, seminal vesicle; va, vagina.
FIGURE 6 in Two new polyclad (Platyhelminthes: Polycladida) flatworm species from the Lakshadweep Islands, India
FIGURE 6. Pseudoceros bifascia sp. nov. Sagittal sections, anterior to the right (A) showing arrangement of reproductive structures; (B) male and female reproductive system (magnified); (C) section showing testes (ventral) and ovaries (dorsal). cg, cement glands; cp, cement pouch; ed, ejaculatory duct; fa, female atrium; fp, female gonopore; ma, male atrium; mp, male gonopore; ov, ovaries; ovd, oviduct; pd, prostatic duct; pp, penis papilla; pv, prostatic vesicle; sv, seminal vesicle; tst, testes; va, vagina.
FIGURE 3 in Two new polyclad (Platyhelminthes: Polycladida) flatworm species from the Lakshadweep Islands, India
FIGURE 3. Paraplanocera kalpeniensis sp. nov. Sagittal sections (A, B) showing arrangement of reproductive structures (anterior to the right). cg, cement glands; cp, cement pouch; cs, cirrus sac fp, female gonopore; ma, male antrium; mf, muscular folds; mp, male gonopore; pv, prostatic vesicle; t, teeth; vb, vagina bulbosa.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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.