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1,925 results for “Platyhelminthes”
FIGURE 11 in Two species of Polycelis (Platyhelminthes, Tricladida, Planariidae) newly recorded for the Qinling Mountains and the Loess Plateau in China, with a comparative discussion on their karyotypes
FIGURE 11. Polycelis eudendrocoeloides. Sagittal reconstruction of the copulatory apparatus of ZMHNU-JX8. Scale bar: 100 μm.
Figure 10. Amphibioplana onnisi. A, holotype RMNH.VER. 19956.a in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 10. Amphibioplana onnisi. A, holotype RMNH.VER. 19956.a, photomicrograph of a horizontal section of the left ovary (lo) with tuba (tu) and origin of the left oviduct (lod), testes (t) and vitellaria (vi); B, RMNH.VER. 19956.d, photomicrograph of a sagittal section at the level of the left ovary (lo), with testes (t) and vitellaria (vi); C, CGAS Pla 19.2, photomicrograph of a sagittal section at the level of the left ovary (lo), showing in detail the dorsal (de) and ventral epidermis (ve) with the subepidermal musculature, some vitellaria (vi), and the ventral nerve cord (vnc).
Figure 14 in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 14. Amphibioplana onnisi. Photomicrographs of the copulatory apparatus; sagittal sections. A, holotype RMNH. VER. 19956.a, showing penis bulb (pb), penis papilla (pp), genital atrium (ga), and the gonopore (go) opening into the cupshaped chamber (csc); anterior to the right; B, CGAS Pla 19. 2, showing copulatory bursa (cb), penis bulb, penis papilla and genital atrium; anterior to the right; C, RMNH.VER. 19958.d, showing copulatory bursa with a voluminous mass of sperm (s) in its lumen, penis bulb, penis papilla and genital atrium; anterior to the left; D, CGAS Pla 19.1b, showing copulatory bursa with sperm in its lumen, penis bulb, penis papilla and genital atrium; anterior to the left; E, CGAS Pla 24.5, sagittal section showing the proximal tract of the bursal canal (bc) with its diaphragm-like protrusion (bcd) into the copulatory bursa; anterior to the left; F, CGAS Pla 22. 6, transverse section showing the penis papilla with the two vasa deferentia (vd) running parallel before their fusion to form the ejaculatory duct.
Figure 3. Amphibioplana onnisi. A in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 3. Amphibioplana onnisi. A single, curled up specimen from under a stone in the Grutta 'e Pauli Cave. Scale bar not available.
Figure 9. Amphibioplana onnisi. A, RMNH.VER. 19956.d in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 9. Amphibioplana onnisi. A, RMNH.VER. 19956.d, photomicrograph of a sagittal section of the prepharyngeal region, showing the brain (b), the anterior intestinal branch (aib), the most anterior testes (t) and vitellaria (vi) and the left ovary (lo); B, photograph of a preserved specimen from the Grutta 'e Pauli Cave in ventral view, showing the vitellaria (vi), testes (t), pharynx (ph), and copulatory apparatus (ca).
Figure 8 in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 8. Amphibioplana onnisi. Photomicrographs of the pharynx, sagittal sections. A, CGAS Pla 19.2, oesophageal protrusion (oep) and convoluted tract of the pharynx (cph); anterior to the right; B, RMNH.VER. 19956.c, oesophageal protrusion (oep), also showing xanthophil (xg) and erythrophil (eg) secretions in the pharynx; anterior to the left.
Figure 5 in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 5. Amphibioplana onnisi. Habitus of live specimens from the Grutta 'e Pauli Cave. A, specimen with constriction just behind copulatory apparatus; B, C, anterior portion of specimen with regenerating blastema (rb) at the margin of the prepharyngeal part of the body; D, specimen with caudal tip located just behind the pharynx, suggesting a recent postpharyngeal fission; E, specimen with caudal tip located just behind the copulatory apparatus (ca), suggesting a recent caudal fission; F, specimen with a regenerating blastema behind the copulatory apparatus. Scale bars not available.
Figure 4 in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 4. Amphibioplana onnisi. Habitat in freshwater environments. A, entrance of Grutta 'e Pauli Cave; B, collection site in Grutta 'e Pauli Cave; C, collection site in San Pietro Cave; D, collection site in Istirzili Cave. Details on precise locations of the sampling sites in the caves are omitted for reasons of species protection.
Figure 2 in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 2. Maximum-likelihood tree inferred from the concatenated dataset, including the filtered 18S and 28S alignments (Table 2) of representatives of the various suborders of the Tricladida. Values at nodes correspond to UFB/SH-aLRT/PP; –: PP values below 0.5. Scale bar: number of substitutions per nucleotide position.
Figure 1 in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 1. Geographic distribution of Amphibioplana onnisi in the Mediterranean region. Rectangular inset corresponds with area enlarged to right-hand side, showing the island of Sardinia. Filled black circles indicate location of caves from which populations were sampled; green areas indicate the karst regions.
Figure 12. Amphibioplana onnisi. CGAS Pla 24.5 in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 12. Amphibioplana onnisi. CGAS Pla 24.5, sagittal reconstruction of the copulatory apparatus; anterior to the left.
Figure 15 in Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle
Figure 15. Amphibioplana onnisi. Photomicrographs of the copulatory apparatus. A, CGAS Pla 19.1b, sagittal section showing copulatory bursa (cb), bursal canal (bc) with its diverticulum (di), and common oviduct (cod); anterior to the left; B, RMNH.VER. 19957.a, sagittal section showing copulatory bursa (cb), penis papilla (pp), genital atrium (ga), cup-shaped chamber (csc), common oviduct (cod), and right oviduct (rod); anterior to the left.
FIG. 4 in A new, sibling species of cave flatworm from Switzerland (Platyhelminthes, Tricladida, Dendrocoelidae)
FIG. 4 Dendrocoelum hercynicum. Syntype (Museum für Naturkunde 10436b). (A) Sagittal reconstruction of the copulatory apparatus. (B) Sagittal reconstruction of the copulatory bursa and bursal canal; exact opening of common oviduct into the atrium could not be observed.
FIG. 5 in A new, sibling species of cave flatworm from Switzerland (Platyhelminthes, Tricladida, Dendrocoelidae)
FIG. 5 Dendrocoelum stenophallus (MNHN AJ 275-276). Microphotograph of flagellum on the penis papilla.
FIGURE 5 in Orostylis gen. nov., a new genus of Dalytyphloplanida with seven new species (Platyhelminthes: Rhabdocoela)
FIGURE 5. Orostylis timucuorum sp. nov. Anterior is to the left in A–E, to the top in F–H. A. Squeezed live specimen from the type locality, showing positions of major organs. Inset: anterior margin of pharynx showing six club-like pharyngeal tentacles; drawing by R.M. Rieger. B. Single confocal frame through the pharynx, showing pseudostriated radial muscles. C. Lateral view of specimen from the type locality, showing relative locations of ovary and vitellaria. D. Confocal stack showing the ventral midline with bursa and associated body-wall musculature (DNA-magenta, Muscle actin-green). E. Higher magnification of bursal area, showing bursa with foreign sperm, and bursal pore (red arrow). F. Heavily squeezed stylet of specimen from the type locality, showing general structure and slit along distal portion (arrows). G. Stylet of whole-mounted specimen by R.M. Rieger from Anne McCrary's mudflat, sample 394, 1.29.1970. Same scale as F. H. Stylet in situ from a lightly squeezed specimen from the type locality. Note that the two portions of the stylet base are curved upward (red arrows), and semicircular stylet tip is in a plane perpendicular to that of the base, and that its pointed tip rests in a cup-like depression (green arrow).
FIGURE 2 in Orostylis gen. nov., a new genus of Dalytyphloplanida with seven new species (Platyhelminthes: Rhabdocoela)
FIGURE 2. Orostylis dohae sp. nov. A. Drawing of a live specimen. B. Reconstruction of the serially sectioned specimens.
FIGURE 4 in Orostylis gen. nov., a new genus of Dalytyphloplanida with seven new species (Platyhelminthes: Rhabdocoela)
FIGURE 4. Photos of live and whole-mounted specimens. A. Live specimen of Orostylis asinaraensis sp. nov. B. Live specimen of Orostylis caecus sp. nov. C. Live specimen of Orostylis distortus sp. nov. D. Live specimen of Orostylis dohae sp. nov. E. Stylet in whole-mounted specimen of Orostylis donanae sp. nov. F. Stylet in whole-mounted specimen of Orostylis gallicus sp. nov.
FIGURE 1 in Orostylis gen. nov., a new genus of Dalytyphloplanida with seven new species (Platyhelminthes: Rhabdocoela)
FIGURE 1. Sampling localities of Orostylis gen. nov. Symbols represent the respective species described in this work, as indicated in the figure legend.
FIGURE 3 in Orostylis gen. nov., a new genus of Dalytyphloplanida with seven new species (Platyhelminthes: Rhabdocoela)
FIGURE 3. Drawings of the stylets of the new species of Orostylis gen. nov. included in this work. A. Orostylis dohae sp. nov. B–C. Orostylis asinaraensis sp. nov. D. Orostylis caecus sp. nov. E. Orostylis donanae sp. nov. F. Orostylis gallicus sp. nov. G. Orostylis distortus sp. nov. H. Orostylis timucuorum sp. nov. All drawings are from the holotypes, except for C and D which are from reference material. The stylets are oriented with the proximal base pointing to the top and the distal tip pointing to the bottom of the plate.
FIGURE 1 in DNA barcoding reveals new records of invasive terrestrial flatworms (Platyhelminthes, Tricladida, Geoplanidae) in the Macaronesian region
FIGURE 1. Maximum-likelihood tree of invasive terrestrial flatworms, based on COI sequences. Bootstrap values are presented only for main clades. Countries are indicated after GenBank accession number. Red: specimens sequenced in this study. A. Caenoplana coerulea tree. B. Endeavouria septemlineata tree. C. Obama nungara tree.
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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
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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
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