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198 results for “Nematomorpha”
FIGURE 1 in Three new species of Chordodes and new data on hairworms (Nematomorpha) from Ecuador
FIGURE 1. Chordodes alticuspis. SEM: A. View of the ventral side of male posterior end. B. Detail of posterior end, arrow indicates position of the cloacal opening. Bars: 1A= 50µm, 1B= 20µm.
FIGURE 12. Gordius species with probable, but not completely sure assignments. A–C in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 12. Gordius species with probable, but not completely sure assignments. A–C. Gordius cf. tatrensis. D–F. Gordius cf. plicatissimus. A,B. Posterior end (A) and cuticle (B) of male specimen (SR 623.2). C. Cuticular structure of female (SR 623.3). D,E. Posterior end (D) and cuticle (E) of specimen SR 1026. F. Cuticle from SR 1027.
FIGURE 9. A–C in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 9. A–C. Gordius karwendeli sp. nov., D–E. G. p e s i c i sp. nov. A. Posterior end. B. Magnification from the posterior end showing smooth region on the inner side of the tail lobes and characteristic arrangement of bristles. C. Polygonal regionalization of the cuticular surface. D. Posterior end. E. Structure of the cuticle.
FIGURE 6 in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 6. Gordius aquaticus, posterior ends of different male specimens. A. From Serbia (SR 969). B. From Soċa in Slovenia (SR 699). C. From source Mattenbachquelle in Hessen, Germany (SR 1004). D. From Spain (SR 1338).
FIGURE 5 in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 5. Gordius aquaticus, posterior ends of different male specimens. A,B. From Quelitz, Thüringer Schiefergebirge, Germany (SR 502). C,D. From Wurmbach in Stecklenberg, Harz, Germany (SR 836). E,F. From Edertal, Hessen, Germany (SR 947, 948).
FIGURE 3. Cuticular structure under higher magnifications. A in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 3. Cuticular structure under higher magnifications. A. Irregular meshwork of fibres in G. aquaticus from Slovenia (SR 699). B–D. Fine processes and ridges on the otherwise smooth cuticular surface of undetermined Gordius specimens from Germany (B; SR 1265), Swizerland (C; SR 1398) and the Pyrenees (D; SR 1405). E. Tubular structures on the cuticle of an undetermined Gordius specimen from Korea (SR 240). F. Inconspicuous polygonal pattern on the cuticle of SR 1265.
FIGURE 2 in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 2. Cuticular characters under lower magnifications in Gordius. A. Polygonal areoles on the cuticle of Gordius cf. tatrensis (collection Schmidt-Rhaesa # 623.2). B. Smooth cuticle in G. aquaticus (SR 901). C. Bristles on smooth cuticle in an undetermined Gordius specimen from Montenegro (SR 969). D. Contamination plaques of unknown nature on the cuticle of G. digitatus (ZMH V13271). E. Star-like crystals on the cuticle of G. aquaticus (SR 839). F. Blossomlike crystals on the cuticle of G. aquaticus from Germany (SR 839). G. Uneven cuticular surface of a G. aquaticus specimen (SR 839). H. Smooth cuticle in an undetermined Gordius specimen from Estonia (SR 1006).
FIGURE 11 in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 11. Schematic drawing indicating the differences in the distribution of bristles and spines in the posterior end of A. G. helveticus, B. G. karwendeli and C. G. zwicki.
FIGURE 8 in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 8. Gordius helveticus sp. nov. A. Posterior end of holotype, arrows indicate characteristic accumulation of bristles posterior of the postcloacal crescent. B. Magnification of bristles marked by arrow in A. C. Body cuticle of paratype showing scattered bristles. D. Posterior end of paratype.
FIGURE 1 in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 1. Characters of the male posterior end in Gordius (all ventral sides). A. Tail lobes, postcloacal crescent (oval) and cloacal opening (circle). B, C, E, F. Different grades of shrinkage result in concave tail lobes and folds in different regions. D. A row of bristles is present anterior of the cloacal opening in some species (here: Gordius paranensis). A– C,E,F. G. aquaticus from Wurmback in Stecklenberg, Germany (SR 836–839). D. G. paranensis from Kaikoura Seaward Ranges, New Zealand (SR 745).
FIGURE 7. Gordius balcanicus and G. digitatus. A–C in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 7. Gordius balcanicus and G. digitatus. A–C. Gordius balcanicus sp. nov., D–E. G. digitatus sp. nov. A, E. Posterior ends. B. Cuticle under low magnification. C. Cuticle showing broad ridges separated by grooves. D. Cuticle showing irregular shape of areoles.
FIGURE 10. A,B in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 10. A,B. Gordius serratus sp. nov., C–F. G. z w i c k i sp. nov. A. Posterior end of holotype. B. Posterior end of paratype. C. Posterior end of paratype. D. Posterior end of holotype. E,F. Characteristic distribution of spines (arrow) posterior to the postcloacal crescent.
FIGURE 4. Cuticular structures and artifacts. A in Considerations on the genus Gordius (Nematomorpha, horsehair worms), with the description of seven new species
FIGURE 4. Cuticular structures and artifacts. A. Scars on the surface of G. aquaticus from Germany (SR 952). B. The mixture of smooth and otherwise structured surface may be due to erostion (undetermined Gordius specimen from Italy; SR 1367). C. Cuticular surface structure in an undetermined Gordius specimen from Germany; SR 1031). D. Smooth and rough structure of the cuticle in G. z w i c k i sp. nov. (holotype ZMH V13275). E. Cross section of the cuticle (cut) with layers of fibres. Below cuticle are epidermis (epi), longitudinal musculature (mus) and parenchyme (par) (G. helveticus sp. nov., paratype ZMH V13277). F. "Rhomboidal pattern" on the cuticle created by the underlying arrangement of cuticular fibres (G. aquaticus from Germany, SR 995).
FIGURE 8. Chordodes janovyi n in Redescription of the African Chordodes albibarbatus Montgomery 1898, and description of Chordodes janovyi n. sp. (Gordiida, Nematomorpha) and its non-adult stages from Cameroon, Africa
FIGURE 8. Chordodes janovyi n. sp. cysts recovered from an experimentally infected Physa gyrina snail. (A) An immature cyst. Note the single folding pattern. Scale bar = 20 μm. (B) Mature cysts; note the clear halo surrounding the encysted larvae. Scale bar = 20 μm.
FIGURE 7 in Redescription of the African Chordodes albibarbatus Montgomery 1898, and description of Chordodes janovyi n. sp. (Gordiida, Nematomorpha) and its non-adult stages from Cameroon, Africa
FIGURE 7. SEM of larvae of Chordodes janovyi n. sp. (A) Ventral side; note two posterior spines (PS). Scale bar = 2 μm. (B) Close up of ventral posterior side showing the pseudointestine gland opening (PSGO); AS anterior spine. Scale bar = 400 nm. (C) Larva anterior end; note stylet (S). Scale bar = 1 μm. (D) Close up of stylet from (C). SS stylet spines; note arrangement of five spines (two aligned pairs and one single spine above) on the dorsal and ventral sides of the style. Scale bar = 1 μm.
FIGURE 6 in Redescription of the African Chordodes albibarbatus Montgomery 1898, and description of Chordodes janovyi n. sp. (Gordiida, Nematomorpha) and its non-adult stages from Cameroon, Africa
FIGURE 6. Eggs strings, eggs, and larvae of Chordodes janovyi n. sp. (A) Egg strings deposited on a stick. Scale bar = 5 mm. (B) Undeveloped egg. Scale bar = 20 μm. (C) Egg with larva. Scale bar = 20 μm. (D) Hatched larva; note the stylet black arrow, and pseudointestine white arrow (lateral view). Scale bar = 10 μm. (E) Larvae with everted stylets. Scale bar = 12 μm. (F) Larva secreting thin threads from the pseudo intestine. Scale bar = 20 μm. (G) SEM ventral view of larva showing superficial annulation and the postseptum containing two pairs of terminal spines located ventrally. AS anterior spines; PA posterior spines. Scale bar = 2 μm. (H) SEM anterior view of larva showing stylet and hook arrangement. LP lateral papillae, MH middle hook, VH ventral hooks. Scale bar = 2 μm.
FIGURE 4 in Redescription of the African Chordodes albibarbatus Montgomery 1898, and description of Chordodes janovyi n. sp. (Gordiida, Nematomorpha) and its non-adult stages from Cameroon, Africa
FIGURE 4. Holotype of male Chordodes janovyi n. sp. (A) Anterior end showing the degenerate mouth (black arrow); tapered anterior end with a white cap, and no dark collar. Scale bar = 300 μm. (B) Posterior end. Note the posterior end is round with the indication of two lobes; oval cloaca (arrow). Scale bar = 300 μm. (C) SEM overview of cuticle showing simple areoles (1), tubercle areoles (2), and crowned (3) and circumcluster areoles (4). Note simple areoles are separated between neighbors by interareolar furrows by a distance of 2–5 µm apart. Scale bar = 30 μm. (D) Light microscopy showing pair of crowned areoles (3) surrounded by smaller circumcluster areoles. Scale bar = 30 μm. (E) Light microscopy lateral view of two crowned areole with long filaments surrounded by circumcluster areoles. Scale bar = 30 μm. (F) Circumcluster areole with small bristles on top. Scale bar = 10 μm.
FIGURE 5 in Redescription of the African Chordodes albibarbatus Montgomery 1898, and description of Chordodes janovyi n. sp. (Gordiida, Nematomorpha) and its non-adult stages from Cameroon, Africa
FIGURE 5. Paratype of female Chordodes janovyi n. sp. (A) Anterior end; note the degenerate mouth (black arrow). Scale bar = 1 mm. (B) Posterior end; cloaca is terminal. Scale bar = 500 μm. (C) Overview of cuticle showing: groups of crowned and circumcluster areole with long filaments among simple areoles. Scale bar = 100 μm. (D) Close up of crowned areole with long filaments surrounded by circumcluster areoles. Scale bar = 10 μm. (E) Thorn areole. Scale bar = 10 μm. (F) Tubercle areoles. Scale bar = 10 μm.
FIGURE 2 in Redescription of the African Chordodes albibarbatus Montgomery 1898, and description of Chordodes janovyi n. sp. (Gordiida, Nematomorpha) and its non-adult stages from Cameroon, Africa
FIGURE 2. Cuticular structures of male Chordodes albibarbatus. (A) NICM surface view of pair of crowned areoles showing filaments. Scale bar = 30 μm. (B) NICM pair of crown areoles surrounded by circumcluster areoles. Scale bar = 30 μm. (C) NICM lateral view of crown areoles surrounded by circumcluster areoles. Scale bar = 30 μm. (D & Inset) NICM club shaped tubercle areole among simple areoles. Scale bar = 10 μm.
FIGURE 3 in Redescription of the African Chordodes albibarbatus Montgomery 1898, and description of Chordodes janovyi n. sp. (Gordiida, Nematomorpha) and its non-adult stages from Cameroon, Africa
FIGURE 3. Cuticular structures of female Chordodes albibarbatus. (A) Tapering anterior end with a white cap, and no dark collar. Scale bar = 500 μm. (B) Steriomicroscope, posterior end. Scale bar = 500 μm. (C) Steriomicroscope, overview of midbody region showing the distribution of crowned areoles. Scale bar = 750 μm. (D) NICM showing close up of simple "blackberry" areoles. Scale bar = 5 μm. (E) NICM showing a close up of a cluster of three bulging areoles (black arrows) among simple areoles. Scale bar = 10 μm. (F) NICM showing a pair of crowned areoles surrounded by circumcluster areoles. Scale bar = 10 μm. (G) NICM showing a close up of a thorn areole. Scale bar = 10 μm. (H) NICM showing a close up of a tubercle areole. Scale bar = 5 μm.
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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.