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Fig. 5 in Tegumental topography and molecular characterisation of two trematodes (Platyhelminthes: Digenea) from Clarias gariepinus (Burchell, 1822) in Kenya

Fig. 5. Phylogenetic relationships of Tylodelphys mashonensis (Sudarikov, 1971) to other Diplostomidae based on cox1. Phylogram was reconstructed using Bayesian Inference (BI) with Diplostomum spathaceum (Rudolphi, 1819) as an outgroup. Nodal values <0.90 (BI) are indicated by dashes (sequences of the present study are highlighted in bold).

Fig. 3 in Tegumental topography and molecular characterisation of two trematodes (Platyhelminthes: Digenea) from Clarias gariepinus (Burchell, 1822) in Kenya

Fig. 3. Phylogenetic relationships of Glossidium pedatum Loos, 1899 to other members of Plagiorchioidea based on 28S rDNA. Phylogram was reconstructed using Bayesian Inference (BI) with Alloglossidium corti (Lamont, 1921) as an outgroup. Nodal values <0.90 (BI) are indicated by dashes (sequences of the present study are highlighted in bold).

Fig. 1 in Tegumental topography and molecular characterisation of two trematodes (Platyhelminthes: Digenea) from Clarias gariepinus (Burchell, 1822) in Kenya

Fig. 1. Geographical location of the study area: A– Kenya shaded on the African continent; B – shows position of Nyandarua County in Kenya; C – indicates the position of the Lake Ol'Bolossat and the sampling sites (S1–S3).

Fig. 4 in Tegumental topography and molecular characterisation of two trematodes (Platyhelminthes: Digenea) from Clarias gariepinus (Burchell, 1822) in Kenya

Fig. 4. Scanning electron micrographs of Tylodelphys mashonensis. (A) ventral surface ultrastructure, (B) sensory papillae surrounding the oral sucker (C) ventral sucker surrounded by small and large papillae, (D) well organized holdfast organ with spines (abbreviations: ps-pseudo suckers, os-oral sucker, ho- holdfast organ, vs-ventral sucker, pp-papillae, sp-symmetrical papillae, lp- large papillae, hf-holdfast fissure).

Fig. 4. Syndesmis aonikenki n in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean

Fig. 4. Syndesmis aonikenki n. sp. A, B, whole mount preparations. C, sagittal section of the body. Abbreviations: ed, ejaculatory duct; eg, egg; f, filament; fg, filament glands; i, intestine; ma, male atrium; ov, ovary; sr, seminal receptacle; st, stylet; u, uterus; va, vagina; vit, vitellaria.

Fig. 3 in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean

Fig. 3. Schematic reconstruction of Syndesmis aonikenki n. sp. in dorso-ventral view. Abbreviations: eg, egg; f, filament; fg, filament glands; ov, ovary; st, stylet; t, testes; vit, vitellaria.

Fig. 1 in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean

Fig. 1. Schematic reconstruction of Syndesmis selknami n. sp. in dorso-ventral view. Abbreviations: eg, egg; f, filament; fg, filament glands; ov, ovary; st, stylet; t, testes; vit, vitellaria.

Fig. 2. Syndesmis selknami n in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean

Fig. 2. Syndesmis selknami n. sp. A, D, whole mount preparations. B, C, E, F, sagittal sections of the body. Abbreviations: b, brain; ed, ejaculatory duct; eg, egg; f, filament; fg, filament glands; i, intestine; ov, ovary; sp, sensory pit; sr, seminal receptacle; t, testes; u, uterus; vc, vacuolar cells; vit, vitellaria. The white arrow heads marks the proximal part of the stylet and black arrow heads mark the distal part.

opencc-by-4.0Apr 2019View details →

Fig. 3 in Aggregation and negative interactions in low-diversity and unsaturated monogenean (Platyhelminthes) communities in Astyanax aeneus (Teleostei) populations in a neotropical river of Mexico

Fig. 3. Relationship between component community monogenean species richness and mean infracommunity species richness; A) total samples; B) samples of February; C) samples of August.

opencc-by-4.0Apr 2019View details →

Fig. 1 in Aggregation and negative interactions in low-diversity and unsaturated monogenean (Platyhelminthes) communities in Astyanax aeneus (Teleostei) populations in a neotropical river of Mexico

Fig. 1. Eleven sample locations situated on the opening of streams tributaries to the main Rio Lacantún in the Biosphere Reserve Montes Azules (RBMA), Chiapas, México: (1) Río Tzendales (16̊17′ 10.8″ N; 90̊53′12.6″ W), (2) Río Manzanares (16̊10′14.6″ N; 90̊50′36.2″ W), (3) Arroyo Miranda (16̊08′08.1″ N; 90̊55′14.9″ W), (4) Río Danta (16̊09′08.1″ N; 90̊54′06.3″ W), (5) Arroyo Lagarto (16̊08′14.0″ N; 90̊54′24.4″ W), (6) Embarcadero Estación Chajul (16̊06′38.4″ N; 90̊56′ 23.6″ W), (7) Arroyo José (16̊06′50″ N; 90̊56′03.3″ W), (8) Río Chajul (16̊05′58.2″ N; 90̊57′30.1″ W), (9) Río San Pablo (16̊06′ 10.0″ N; 91̊00′52.2″ W), (10) Río Puerto Rico (16̊05′04.4″ N; 91̊01′11.2″ W), (11) Río Ixcan (16̊07′17.5″ N; 91̊05′11.3″ W).

Fig. 3 in Histopathological characterisation of retinal lesions associated to Diplostomum species (Platyhelminthes: Trematoda) infection in polymorphic Arctic charr Salvelinus alpinus

Fig. 3. Normal aspect of the retina in Arctic charr with different layers. From the eye exterior to the eye interior: (RP): Retinal pigment epithelium. (RC) Cones and rods layer. (ON) Outer nuclear layer. (OP) Outer plexiform layer. (IN) Inner nuclear layer (IP) Inner plexiform layer. (GC) Ganglion cell layer. (GA) Axons of the ganglion layer. Scale bar = 300 μm.

Fig. 6 in Histopathological characterisation of retinal lesions associated to Diplostomum species (Platyhelminthes: Trematoda) infection in polymorphic Arctic charr Salvelinus alpinus

Fig. 6. Edge of one of the vesicles produced by the accumulation of parasites. Retinal pigment layer and rods and cones layer display a progressive alteration in their structure and finally both layers become detached. Notice the reduction of the thickness of the RPE (arrow) in the vesicle. Scale bar = 300 μm.

Fig. 12 in Histopathological characterisation of retinal lesions associated to Diplostomum species (Platyhelminthes: Trematoda) infection in polymorphic Arctic charr Salvelinus alpinus

Fig. 12. PP-morphs. Diffuse changes in the posterior retina affecting mainly the RPE layer suggesting potential healing. Scale bar = 200 μm.

Fig. 4 in Histopathological characterisation of retinal lesions associated to Diplostomum species (Platyhelminthes: Trematoda) infection in polymorphic Arctic charr Salvelinus alpinus

Fig. 4. Diplostomum sp. metacercaria within the retinal structures. This specimen is clearly placed between the retinal pigmented epithelium (RP) and rod and cones layer (RC) creating a small space between them and the parasite. Damaged retinal pigment epithelium is clearly observed and also rod and cone layer display morphological alterations. Scale bar = 200 μm.

Fig. 11. A in Histopathological characterisation of retinal lesions associated to Diplostomum species (Platyhelminthes: Trematoda) infection in polymorphic Arctic charr Salvelinus alpinus

Fig. 11. A single Diplostomum sp. metacercaria within the posterior retina with scarce development of surrounding vesicle and mechanical compression against the RPE and the cones and rods layers. Scale bar = 200 μm.

Fig. 7 in Histopathological characterisation of retinal lesions associated to Diplostomum species (Platyhelminthes: Trematoda) infection in polymorphic Arctic charr Salvelinus alpinus

Fig. 7. Early lesions in RPE and RC in the retina closer to the edge of the vesicles. Cones and rods display a disorganized pattern between the pigmented processes of the RPE. Scale bar = 100 μm.

Fig. 2 in Histopathological characterisation of retinal lesions associated to Diplostomum species (Platyhelminthes: Trematoda) infection in polymorphic Arctic charr Salvelinus alpinus

Fig. 2. Vesicle with several Diplostomum specimens in a histological section. Vesicles are typically located near the ciliary body/retina contact area. C: cornea. I: iris. H/E. Scale bar = 1 mm.

Fig. 5 in Histopathological characterisation of retinal lesions associated to Diplostomum species (Platyhelminthes: Trematoda) infection in polymorphic Arctic charr Salvelinus alpinus

Fig. 5. Large vesicle with sections of many Diplostomum specimens. The vesicle clearly creates a large space between RP and RC. Scale bar = 400 μm.

opencc-by-4.0Dec 2020View details →

Fig. 1 in The first record of Rhabdocoela, Alcha sinensis, Wang & Hu, 2019 (Platyhelminthes: Polycystididae) from Korea

Fig. 1. Alcha sinensis Wang & Hu, 2019: (A) habitus from a live animal; (B, C) squeezed live specimen showing the characteristic bands of blue and yellow pigment; (D) ventral plate of stylet; (E & F) dorsal plate of stylet; (G) lamellar plate covering (D) and (F). Abbreviations used in the figures: e: eye; eg: (fertilized) egg; ma: male atrium; o: ovary; p: proboscis; ph: pharynx; st: stylet; sv: seminal vesicle; t: testis; vi: vitellarium. Scale bars; A-C: 100 μm, D-G: 20 μm).