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125 results for “Chordodes”
FIGURE 8 in Three new species of Chordodes and new data on hairworms (Nematomorpha) from Ecuador
FIGURE 8. Chordodes bouvieri. SEM: A. Overview of the midbody cuticle. B. Detail of simple (1), tubercle (2) and clusters of crowned areoles with short apical filaments (3). Bars: 8A, 8B= 20µm.
FIGURE 13 in Three new species of Chordodes and new data on hairworms (Nematomorpha) from Ecuador
FIGURE 13. Paragordius sp. SEM: A. Posterior end of the female with three lobes. B. Midbody cuticle. Bars: 13A, 13B= 100µm.
FIGURE 7 in Three new species of Chordodes and new data on hairworms (Nematomorpha) from Ecuador
FIGURE 7. Chordodes ruginosus. SEM: Clusters of crowned areoles with long apical filaments from along the ventral midline. Bars= 50µm.
FIGURE 5 in Three new species of Chordodes and new data on hairworms (Nematomorpha) from Ecuador
FIGURE 5. Chordodes ecuatoriensis. SEM: A. Lateral view of the midbody cuticle, showing simple, bulging, tubercle areoles and clusters of crowned areoles. B. Higher magnification of the cuticle showing clusters of crowned areoles with short apical filaments. Bars: 5A, 5B= 50µm.
FIGURE 6 in Three new species of Chordodes and new data on hairworms (Nematomorpha) from Ecuador
FIGURE 6. Chordodes ruginosus. SEM: A. Overview of the midbody cuticle showing Simple, tubercle, thorn, bulging, crowned and circumcluster areoles. B. Detail of clusters of crowned areoles with short apical filaments surrounded by circumcluster areoles and thorn and tubercle areoles. Bars: 6A= 50µm, 6B= 10µm.
FIGURE 3 in Three new species of Chordodes and new data on hairworms (Nematomorpha) from Ecuador
FIGURE 3. Chordodes alticuspis. SEM: A, B. Clusters of crowned areoles along the ventral midline having long apical filaments. Bars: 3A= 50µm, 3B= 20µm.
FIGURE 2 in Three new species of Chordodes and new data on hairworms (Nematomorpha) from Ecuador
FIGURE 2. Chordodes alticuspis. SEM: A. General view of the midbody cuticle. B. Higher magnification of the cuticle with simple (1), bulging (2), tubercle (3) areoles and cluster of crowned areoles (4). Bars: 2A= 20µm, 2B= 10µm.
FIGURE 4 in Three new species of Chordodes and new data on hairworms (Nematomorpha) from Ecuador
FIGURE 4. Chordodes ecuatoriensis. SEM: A. Ventral view of the male posterior end. B. Lateral view of the male posterior end showing a ventral groove and two lobe-like structures. C. General view of the midbody cuticle. Bars: 4A= 100µm, 4B, 4C= 50µm.
FIGURE 10 in Three new species of Chordodes and new data on hairworms (Nematomorpha) from Ecuador
FIGURE 10. Gordius paranensis. SEM: A. Ventral view of the male posterior end with two short lobes. B. Detail of posterior end showing the postcloacal crescent and a parabolic row of bristles anterior of the cloacal opening. C. Cuticle of the midbody. Bars: 10A= 100µm, 10B= 20µm, 10C= 50µm.
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 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.
FIGURE 1 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 1. Holotype of male Chordodes albibarbatus. (A) Tapering anterior end with a white cap, and no dark collar. Note the white tufts representing crowned areoles. Scale bar = 500 μm. (B) Posterior end. Note the posterior end is round with the indication of two lobes; oval cloaca (arrow). Scale bar = 500 μm. (C) Steriomicroscope, overview of midbody region showing the spotted pattern and distribution of crowned areoles. Scale bar = 750 μm. (D) NICM showing close up of simple "blackberry" areoles. Scale bar = 14 μm. (E & F) NICM overview of cuticle showing simple areoles and clusters of bulging areoles (black arrows) and crown areoles surrounded by circumcluster areoles (white arrows). Scale bar = 90 μm.
FIGURE 4 in One new species and a new record of the genus Chordodes (Nematomorpha: Gordiida) from North-East India
FIGURE 4. Chordodes lasuboni, scanning electron micrographs. (A) Overview of dorsal side, showing the dorsal midline (dml) and many clusters of crowned areoles (cra). (B) Overview of ventral side, showing the ventral midline (vml) bordered by clusters with crowned areoles with long filaments. Brackets mark extension of these clusters. (C) Overview of cuticle from the lateral body sides showing clusters of crowned areoles and bulging areoles (arrows). (D) Cluster of crowned areoles (cra) and circumcluster areoles (cca) surrounded by simple areoles and one tubercle areoles (encircled). (E) Crowned areole cluster. (F) Crowned areole cluster showing some bulging areoles (bar) in proximity. A and C taken from anterior region of the worm, B, E and F from mid-body and D from posterior region.
FIGURE 2 in One new species and a new record of the genus Chordodes (Nematomorpha: Gordiida) from North-East India
FIGURE 2. Chordodes moutoni, scanning electron micrographs. (A) Posterior end with terminal cloacal opening (co) in slight depression. (B) Lateral view of mid-body region showing elevated crowned areole clusters (cra). (C) Ventral side showing the distribution of clusters containing crowned areoles with long filaments (cra2) along both sides of the midline and clusters with short-filament crowned areoles on the remaining regions (cra1). (D) Crowned areoles with long filaments in higher magnification.
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