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30 results for “Cyclocoelidae”
FIGURES 2–4. 2 in Intraspecific variation in adult Uvitellina iraquensis Dronen, Ali & Al-Amura, 2013 (Cyclocoelidae: Haematotrephinae) from two collection sites of white-tailed lapwing, Vanellus leucurus (Lichtenstein) (Charadriiformes: Charadriidae), in Iraq
FIGURES 2–4. 2.Eggs and miracidia in distal uterus of a fully-developed, non-senescing adult fixed with minimal compression showing an egg hatching with miracidium being released from the egg shell; examples of fully-developed eggs prior to swelling and hatching and examples of eggs in the process of swelling just prior to hatching. 3. Area of intestinal bifurcation of a fully-developed, non-senescing adult fixed with minimal compression. 4. Uterus near anterior third of body of a fully-developed, non-senescing adult fixed with minimal compression. Abbreviations: B, miracidium within egg exerting pressure on shell forming a curved (banana) shape; C, cecum; HE, hatching egg; M, miracidia; N, examples of fully-developed eggs prior to swelling and hatching; P, pharynx; S, eggs in the process of swelling just prior to hatching; SV, seminal vesicle filled with sperm; U, uterus (metraterm).
FIGURES 35 and 41. 35 in Intraspecific variation in adult Uvitellina iraquensis Dronen, Ali & Al-Amura, 2013 (Cyclocoelidae: Haematotrephinae) from two collection sites of white-tailed lapwing, Vanellus leucurus (Lichtenstein) (Charadriiformes: Charadriidae), in Iraq
FIGURES 35 and 41. 35. Area between pharynx and intestinal bifurcation showing collapsed esophagus. Abbreviations: C, swollen ceca; ES, anterior half of esophagus folded over the posterior half forming an S-shaped configuration; P, pharynx; OS, oral sucker. 41. Illustration of atrophying ovary from a senescing adult. Abbreviations: AT, anterior testis; OT, oötype; OV, Ovary; SR, seminal receptacle; U, uterus; VA, vacuolization.
FIGURES 12–14. 14 in Intraspecific variation in adult Uvitellina iraquensis Dronen, Ali & Al-Amura, 2013 (Cyclocoelidae: Haematotrephinae) from two collection sites of white-tailed lapwing, Vanellus leucurus (Lichtenstein) (Charadriiformes: Charadriidae), in Iraq
FIGURES 12–14. 14. Middle third of body of senescing adult fixed with minimal compression; photograph taking slightly out of focus to demonstrate the relative position of eggs to the uterine wall. 13. Abnormally developing eggs in uterus of a senescing adult specimen fixed with minimal compression. 14. Unhatched eggs in middle third of the uterus of a senescing adult fixed with minimal compression where shells were intact, but there was no contents present within the shell. Abbreviations: AE, abnormally developing eggs in uterus in which there was what appeared to be primordial material and/or yolk material present, but with no miracidial development evident; C, cecum; EE, empty eggs; N, examples of fully-developed eggs prior to swelling and hatching; U, uterus.
FIGURES 31–34 in Intraspecific variation in adult Uvitellina iraquensis Dronen, Ali & Al-Amura, 2013 (Cyclocoelidae: Haematotrephinae) from two collection sites of white-tailed lapwing, Vanellus leucurus (Lichtenstein) (Charadriiformes: Charadriidae), in Iraq
FIGURES 31–34. Diagrammatic representations showing the variability in the location of the genital pore (cont.). 31. Located immediately posterior to posterior margin of pharynx or a short distance posterior to it. 32. Located some distance posterior to the posterior margin of the pharynx near anterior end of esophagus. 33. Located a short distance posterior to the intestinal bifurcation. Note that the area of terminal genital canals shows the canals extending anteriorly some distance then reflexing posteriorly to join in the genital atrium at, or just posterior to the pharynx giving the impression that the genital pore opening was located more anterior in the posterior aspect of the pharynx. 34. Located a short distance anterior to the posterior margin of the pharynx and submedian. Note that the area between pharynx and intestinal bifurcation appears to exhibit contractioninduced shortening of the distance from the pharynx to the intestinal bifurcation, and a dextral rotation and displacement of the pharynx posteriorly. Abbreviations: C, cecum; ES, esophagus; GP, genital pore; OS, oral sucker; P, pharynx; PP, prepharynx; SV, seminal vesicle; U, uterus.
FIGURES 19–22. 19 in Intraspecific variation in adult Uvitellina iraquensis Dronen, Ali & Al-Amura, 2013 (Cyclocoelidae: Haematotrephinae) from two collection sites of white-tailed lapwing, Vanellus leucurus (Lichtenstein) (Charadriiformes: Charadriidae), in Iraq
FIGURES 19–22. 19. Distorted posterior end of a fully-developed, non-senescing adult fixed without compression. 20. Area of intestinal bifurcation of a fully-developed, non-senescing adult fixed with minimal compression. 21. Area of intestinal bifurcation of a fully-developed, non-senescing adult fixed with minimal compression. Note the posterior extent of cirrus sac overreaches about two thirds of width of cecum. 22. Ventral view of anterior end of fully-developed, non-senescing adult fixed with minimal compression, dorsal view. Note internally the pharynx has been rolled slightly to the right and shifted slightly posteriorly, while externally the genital pore has been shifted to the right and the cecum on the right is somewhat swollen, and the cirrus sac surpasses the level of the intestinal bifurcation posteriorly. Abbreviations: AT, anterior testis; BI, intestinal bifurcation; BW, body wall; C, cecum; CS, posterior extent of cirrus sac; EP, excretory pore; EV, excretory vesicle; GP, genital pore; OS, oral sucker; P, pharynx; PT, posterior testis; SV, seminal vesicle; U, uterus.
FIGURES 15–18. 15 in Intraspecific variation in adult Uvitellina iraquensis Dronen, Ali & Al-Amura, 2013 (Cyclocoelidae: Haematotrephinae) from two collection sites of white-tailed lapwing, Vanellus leucurus (Lichtenstein) (Charadriiformes: Charadriidae), in Iraq
FIGURES 15–18. 15. Area of seminal vesicle of a senescing adult fixed with minimal compression. 16. Contracted anterior end of a fully-developed, non-senescing adult fixed without compression. 17. Distorted anterior end of a fully-developed, nonsenescing adult fixed without compression. Note the inflated uterus, submedian placement of the genital pore, the anterior extent of the vitelline fields are pulled anteriorly to level of pharynx, and the pharynx is rotated off the midline of the body. 18. Distorted posterior end of a fully-developed, non-senescing adult fixed without compression. Abbreviations: BW, body wall showing the effects of contraction (scalloped to crenated); C, cecum; EV, collapsed excretory vesicle; GP, genital pore; N, examples of fully-developed eggs prior to swelling and hatching; P, pharynx; PT, posterior testis; SV, seminal vesicle with comparatively little sperm present; U, uterus; V, vitelline fields.
FIGURE 5 in Szidatitrema yamagutii n. sp. (Digenea: Cyclocoelidae: Ophthalmophaginae) from the bearded barbet, Lybius dubius (Capitionidae), and the white-necked myna, Streptocitta albicollis (Sturnidae), that died at the Audubon Zoo in New Orleans, Louisiana, U.S.A.
FIGURE 5. Picture of a bearded barbet, Lybius dubius showing Szidatitrema yamagutii n. sp. in place. Abbreviation AF, adult flukes.
FIGURES 1–4. Szidatitrema yamagutii n in Szidatitrema yamagutii n. sp. (Digenea: Cyclocoelidae: Ophthalmophaginae) from the bearded barbet, Lybius dubius (Capitionidae), and the white-necked myna, Streptocitta albicollis (Sturnidae), that died at the Audubon Zoo in New Orleans, Louisiana, U.S.A.
FIGURES 1–4. Szidatitrema yamagutii n. sp. from the bearded barbet, Lybius dubius. 1. Dorsal view of adult. 2. Enlarged photograph of opening of genital pore, ventral view. 3. Photograph of pharyngeal region showing location of the cirrus sac relative to pharynx, ventral view. 4. Drawing of terminal genitalia. Abbreviations C, cecum; GP, genital pore; P, Pharynx; SV, seminal vesicle; U, uterus. Scale bars: 1, 1,200µm; 2, 150µm; 3, 350µm; 4, 350µm.
FIGURE 1. Nasuscoelum pampensis n. gen., n in A new genus and new species of Cyclocoelidae (Digenea), a parasite in spotted rail, Pardirallus maculatus (Gruiformes: Rallidae), in the Pampa biome, southern Brazil
FIGURE 1. Nasuscoelum pampensis n. gen., n. sp. parasite of Pardirallus maculatus (Boddaert) (Gruiformes: Rallidae) in southern Brazil. A. Ventral view, pharynx (ph), ceca (c), and uterus (u). B. Anterior extremity, genital pore (gp), and cirrus sac (cs). C. Ovarian complex, ovary (ov), Mehlis' gland (mg), posterior testis (pt).
FIGURE 2. Nasuscoelum pampensis n. gen., n in A new genus and new species of Cyclocoelidae (Digenea), a parasite in spotted rail, Pardirallus maculatus (Gruiformes: Rallidae), in the Pampa biome, southern Brazil
FIGURE 2. Nasuscoelum pampensis n. gen., n. sp. parasite of Pardirallus maculatus (Boddaert) (Gruiformes: Rallidae) in southern Brazil. A. Anterior extremity, pharynx (ph), cirrus sac (cs). B. Posterior extremity, ovary (ov), Mehlis' gland (mg), posterior testis (pt), anterior testis (at).
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