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179 results for “tapeworms”
FIGURES 1–13 in Tapeworms (Cestoda: Proteocephalidea) of Synodontis spp. (Siluriformes) in Africa: survey of species and their redescriptions
FIGURES 1–13. Scanning electron micrographs of the scoleces of Proteocephalus spp. from Synodontis catfish: P. synodontis Woodland, 1925 from S. schall, Lake Turkana, Kenya (1–3, 7, 8) and from S. schall, Kostí, Sudan (4–6); P. membranacei Troncy, 1978 from S. membranacea, Lake Chad, Chad, syntype (MNHNP 1116H; 9, 10); P. largoproglottis (= syn. of P. m e m - branacei), syntype (MNHNP 1115H; 11–13). 1, 4, 9, 11. Dorsoventral view. 2, 5, 10, 13. Lateral view. 3, 6, 12. Apical view. 7, 8. Papilliform filitriches on the external rim and internal surface of suckers, respectively (see Fig. 1). Scale bars = 100 μm (1–6, 9, 11–13); 50 μm (10); 3 μm (7, 8).
FIGURES 9–13 in Revision of tapeworms (Cestoda: Bothriocephalidea) from lizardfish (Saurida: Synodontidae) from the Indo-Pacific region
FIGURES 9–13. Penetrocephalus ganapattii (Rao, 1954) ex Saurida micropectoralis (IPCAS C-462/2). 9, 12, Schematic drawing of scolex deformatus. 10, Schematic drawing of mature segment; vitelline follicles illustrated only in the posterior segment; ventral view. 11, 13, Histological sections of gravid segments at the level of cirrus-sac; 11, cross-section; 13, sagittal section. Abbreviations: cs – cirrus-sac; e – eggs; lm – inner longitudinal muscles; ov – ovary; t – testes; us – uterine sac; vf – vitelline follicles.
FIGURES 14–23. Photomicrographs. 14–18, 21, 24 in Revision of tapeworms (Cestoda: Bothriocephalidea) from lizardfish (Saurida: Synodontidae) from the Indo-Pacific region
FIGURES 14–23. Photomicrographs. 14–18, 21, 24, Oncodiscus sauridae Yamaguti, 1934. 14, Scolex; ex Saurida longimanus. 15, Scolex; ex S. tumbil. 16, 17, Gravid strobila; 16, Ventral view; 17, Dorsal view. 18, 24, Detail of hooklets; 18, SEM photomicrograph; 24, Photomicrograph. 21, Operculum of the egg. 19, 20, 22, 23, Penetrocephalus ganapattii (Rao, 1954). 19, 23, Gravid strobila; 19, Ventral view; 23, Dorsal view. 20, Detailed view of the envaginated cirrus. 22, Operculum of the egg.
FIGURES 1–8. Oncodiscus sauridae Yamaguti, 1934. 1 in Revision of tapeworms (Cestoda: Bothriocephalidea) from lizardfish (Saurida: Synodontidae) from the Indo-Pacific region
FIGURES 1–8. Oncodiscus sauridae Yamaguti, 1934. 1, Scolex of paratype (MPM SY 3043); lateral view. 2, 3, Voucher (MPM SY 5616) ex Chirocentrus dorab; 2, scolex; 3, detail of hooklets. 4, Scolex of the holotype of Tetrapapillocephalus magnus (GELAN 696). 5, Schematic drawing of mature segments ex Saurida longimanus (IPCAS C-456/ 2); vitelline follicles illustrated only in the posterior segment; ventral view. 6, Detail of mature segment ex S. tumbil (IPCAS C-456/1); vitelline follicles illustrated only on the left side and testes only on right side, ventral view. 7, 8, Histological sections of gravid segments ex S. tumbil (IPCAS C-456/1) at level of cirrus-sac; 7, cross-section; 8, sagittal section. Abbreviations: cs – cirrus-sac; e – eggs; lm – inner longitudinal muscles; ov – ovary; t – testes; us – uterine sac; v – vagina; vf – vitelline follicles.
FIGURE 22 in A New Genus And Two New Species Of Proteocephalidean Tapeworms (Cestoda) From Cichlid Fish (Perciformes: Cichlidae) In The Neotropics
FIGURE 22. Tree resulting from Bayesian inference analysis of 28 S rDNA data. Nodal support is given as bootstrap / posterior probabilities. Branch length scale bar indicate number of substitutions per site. Cichlidocestus gillesi n. sp. in bold.
FIGURES 1 – 7. Cichlidocestus gillesi n. g., n in A New Genus And Two New Species Of Proteocephalidean Tapeworms (Cestoda) From Cichlid Fish (Perciformes: Cichlidae) In The Neotropics
FIGURES 1 – 7. Cichlidocestus gillesi n. g., n. sp. from Cichlasoma amazonarum, Peru, line drawings. (1) Scolex, dorsal view. (2) Terminal genitalia, ventral. (3) Gravid proglottid, ventral; note ventral uterine openings. (4) Pregravid proglottid, ventral; the uterus is not drawn and the ventral osmoregulatory canals are not all figured. (5, 6) Eggs. (7) Cross section at level of the cirrus-sac. (1, 2, 4 – 7 = holotype – MHNG-PLAT 63132; 3 = paratype – IPCAS C- 733). Abbreviations: as – apical sucker; cc – chromophilic cells lining uterine diverticula; ci – cirrus; cm – circular musculature; cs – cirrus-sac; doc – dorsal osmoregulatory canal; du – diverticula of uterus; eh – embryonic hooks; em – bilayered embryophore; gc – gland cells; ilm – internal longitudinal musculature; isv – internal seminal vesicle; mg – Mehlis' gland; oe – outer envelope; on – oncosphere; oo – oocapt; ov – ovary; pc – prostatic cells; sc – subtegumental cells; sd – sperm duct; sr – seminal receptacle; st – subtegumental muscle fibers; su – sucker; te – testes; tg – tegument; upo – uterine pore-like opening; ut – uterus; vc – vaginal canal; vf – vitelline follicles; voc – ventral osmoregulatory canal; vs – vaginal sphincter.
FIGURES 17 – 21 in A New Genus And Two New Species Of Proteocephalidean Tapeworms (Cestoda) From Cichlid Fish (Perciformes: Cichlidae) In The Neotropics
FIGURES 17 – 21. Scanning electron micrographs of the scoleces of Cichlidocestus janikae n. g., n. sp. from Hypsophrys nicaraguensis, Costa Rica (17 – 19), and Cichlidocestus gillesi n. g., n. sp. from Cichlasoma amazonarum, Peru (20, 21).
FIGURES 8 – 16. Cichlidocestus janikae n. g., n in A New Genus And Two New Species Of Proteocephalidean Tapeworms (Cestoda) From Cichlid Fish (Perciformes: Cichlidae) In The Neotropics
FIGURES 8 – 16. Cichlidocestus janikae n. g., n. sp. from Hypsophrys nicaraguensis, Costa Rica, line drawings. (8) Scolex, dorsal view (paratype 3 – CNHE No. 10044). (9) Frontal sections of scolex, showing the anterior circular musculature of suckers (paratype 4 – MHNG-PLAT 94086). (10) Frontal sections of the scolex, showing an apical sucker (paratype 4 – MHNG-PLAT 94086). (11, 12) Cross sections at level of the cirrus-sac and ovary, respectively (holotype – IPCAS C- 734). (13) Pregravid proglottid, ventral (holotype – MHNG-PLAT 94085); the uterus is not drawn and the ventral osmoregulatory canals are not all figured. (14, 15) Eggs (paratype 4 – MHNG-PLAT 94086). (16) Terminal genitalia, ventral (holotype – MHNG-PLAT 94085). Abbreviations: as – apical sucker; cc – chromophilic cells lining uterine diverticula; ci – cirrus; cm – circular musculature; cs – cirrus-sac; du – diverticula of uterus; eh – embryonic hooks; em – bilayered embryophore; gc – gland cells; ilm – internal longitudinal musculature; isv – internal seminal vesicle; mg – Mehlis' gland; oe – outer envelope; on – oncosphere; ov – ovary; pc – prostatic cells; sc – subtegumental cells; sd – sperm duct; sr – seminal receptacle; st – subtegumental muscle fibers; su – sucker; te – testes; tg – tegument; ut – uterus; vc – vaginal canal; vd – vitelline duct; vf – vitelline follicles; voc – ventral osmoregulatory canal; vs – vaginal sphincter.
Fig. 6 in Proteocephalid tapeworms (Cestoda: Onchoproteocephalidea) of loaches (Cobitoidea): Evidence for monophyly and high endemism of parasites in the Far East
Fig. 6. Scanning electron micrograph of Proteocephalus demshini n. sp. from Barbatula toni, Russia (A, C, D, F) and Proteocephalus misgurni n. sp. from Misgurnus anguillicaudatus, Russia (B, E, G, H). A, B — dorsoventral view, C — apical view, D — lateral view, E — subapical view, F — acicular filitriches and gladiate spinitriches on internal rim of suckers, G — acicular filitriches between suckers, H — gladiate spinitriches on neck region. Small letters in A and B indicate position of microtriches on F – H).
Fig. 5. Proteocephalus misgurni n in Proteocephalid tapeworms (Cestoda: Onchoproteocephalidea) of loaches (Cobitoidea): Evidence for monophyly and high endemism of parasites in the Far East
Fig. 5. Proteocephalus misgurni n. sp. from Misgurnus anguillicaudatus. A. Holotype, total view, ventrally (host field No. RUS 77; MHNG-PLAT 79136). B. Eggs drawn in distilled water (host field No. RUS 93; MHNG-PLAT 79140). C. Paratype 1, scolex (host field No. RUS 100; MHNG-PLAT 79142); note the proliferation zone widened anteriorly. D. Paratype 2, detail of terminal genitalia, dorsal view (host field No. RUS 75; MHNG-PLAT 79135); uterus not illustrated. E. Holotype, mature proglottid, ventral view (host field No. RUS 77; MHNG-PLAT 79136); uterus not illustrated.
Fig. 4. Proteocephalus demshini n in Proteocephalid tapeworms (Cestoda: Onchoproteocephalidea) of loaches (Cobitoidea): Evidence for monophyly and high endemism of parasites in the Far East
Fig. 4. Proteocephalus demshini n. sp. from Barbatula toni, Russia. A. Scolex (host field No. RUS 195; IPCAS C- 727). B. Mature proglottid, ventral view (host field No. RUS 191; IPCAS C- 727); uterus not illustrated. C. Detail of terminal genitalia, ventral view (host field No. RUS 192; MHNG-PLAT 79149). D. Eggs drawn in distilled water (host field No. RUS 190; IPCAS C- 727).
Fig. 2 in Proteocephalid tapeworms (Cestoda: Onchoproteocephalidea) of loaches (Cobitoidea): Evidence for monophyly and high endemism of parasites in the Far East
Fig. 2. Proteocephalus sagittus (Grimm, 1872) from Barbatula barbatula, Czech Republic (IPCAS C- 33 / 1). A. Scolex. B. Mature proglottid. Abbreviations (for all figures): cc = chromophilic cells; ci = cirrus; cp = pars copulatrix vaginae; cs = cirrus-sac; doc = dorsal osmoregulatory canal; du = uterine diverticles; eh = embryonic hooks; em = bilayered embryophore; ga = genital atrium; gc = glandular cells, probably of exocrine type; lm = internal longitudinal musculature; ln = longitudinal lateral nerves; Mg = Mehlis' gland; oe = outer envelope; on = oncosphere; oo = oocapt; ov = ovary; sc = subtegumental cells; sd = sperm duct (vas deferens); st = subtegumental muscle fibres; te = testes; tg = tegument; ud = uterine ducts; us = uterine stem; ut = uterus; vc = vaginal canal; vd = vitelloduct; vf = vitelline follicles; voc = ventral osmoregulatory canal; vs = vaginal sphincter.
Fig. 3. Proteocephalus midoriensis Shimazu, 1990 in Proteocephalid tapeworms (Cestoda: Onchoproteocephalidea) of loaches (Cobitoidea): Evidence for monophyly and high endemism of parasites in the Far East
Fig. 3. Proteocephalus midoriensis Shimazu, 1990 from Lefua echigonia, Japan (IPCAS C- 362 / 1) (A, C – E) and from Lefua costata, Russia (" Proteocephalus sp. n. " of N. I. Demshin; not accessioned) (B). A, B. Scoleces. C. Mature proglottid, dorsal view, note vitelline follicles overpassing the ovary ventrally; uterus not illustrated. D. Detail of the posterior part of the proglottid, ventral view. E. Detail of terminal genitalia, ventral view.
Fig. 1 in Proteocephalid tapeworms (Cestoda: Onchoproteocephalidea) of loaches (Cobitoidea): Evidence for monophyly and high endemism of parasites in the Far East
Fig. 1. Bayesian analysis of the concatenated 4 - gene alignment (ssrDNA, lsrDNA, rrnL, cox 1) constructed using MrBayes 3.2. 1 using the GTR + I + G (ssrDNA, rrnL, cox 1) and GTR + I (lsrDNA) models of nucleotide evolution. The analysis was run for 10 million generations; 7 million generations were discarded as burn-in. Posterior probabilities and maximum likelihood bootstrap values (obtained using GARLI) are shown above and below branches, respectively. All nodes with <0.95 posterior probabilities have been collapsed. The branchlength scale indicates number of substitutions per site.
Figure 7 in Emerging global novelty in phyllobothriidean tapeworms (Cestoda: Phyllobothriidea) from sharks and skates (Elasmobranchii)
Figure 7. Line drawings of adult of Rockacestus carvajali (specimen accession numbers in parentheses). A, scolex (LRP no. 9770). B, detail of single bothridium (MNHNCL no. PLAT-15023). C, whole worm (MNHNCL no. PLAT-15023). D, subterminal mature proglottid (MNHNCL no. PLAT-15023). E, terminal mature proglottid (MNHNCL no. PLAT-15023).
Figure 4 in Emerging global novelty in phyllobothriidean tapeworms (Cestoda: Phyllobothriidea) from sharks and skates (Elasmobranchii)
Figure 4. Scanning electron micrographs of Ruhnkebothrium bajaense. A, scolex. B, detail of anterior loculi. C, distal surface of rim of posterior loculus. D, distal surface of anterior loculus. E, distal surface of anterior-most region of posterior loculus adjacent to anterior loculus. F, distal surface of posterior loculus as it expands. G, distal surface of expanded region of posterior loculus. H, proximal surface of posterior loculus. I, scutes on surface of neck.
Figure 6 in Emerging global novelty in phyllobothriidean tapeworms (Cestoda: Phyllobothriidea) from sharks and skates (Elasmobranchii)
Figure 6. Line drawings of adult of Yamaguticestus metini (specimen accession numbers in parentheses). A, scolex (NMB P no. 734). B, whole worm (USNM no. 1638648). C, mature proglottid (USNM no. 1638648). D, detail of ovary (USNM no. 1638648). E, detail of terminal genitalia (USNM no. 1638648).
Figure 3 in Emerging global novelty in phyllobothriidean tapeworms (Cestoda: Phyllobothriidea) from sharks and skates (Elasmobranchii)
Figure 3. Scanning electron micrographs of Ruhnkebothrium mattisi. A, scolex. B, detail of anterior loculi. C, distal surface of rim of posterior loculus. D, distal surface of anterior loculus. E, distal surface of anterior-most region of posterior loculus adjacent to anterior loculus. F, distal surface of posterior loculus as it expands. G, distal surface of expanded region of posterior loculus. H, proximal surface of posterior loculus. I, scutes on surface of neck.
Figure 5 in Emerging global novelty in phyllobothriidean tapeworms (Cestoda: Phyllobothriidea) from sharks and skates (Elasmobranchii)
Figure 5. Scanning electron micrographs of Yamaguticestus. A, scolex of Yamaguticestus squali. B, surface of bothridium of Y. squali anterior to apical sucker. C, distal surface of bothridium of Y. squali. D, proximal surface of bothridium of Y. squali. E, scutes on surface of neck of Y. squali. F, scolex of Yamaguticestus metini. G, surface of apical sucker of Y. metini. H, distal surface of bothridium of Y. metini. I, proximal surface of bothridium of Y. metini. J, scutes on surface of neck of Y. metini.
Figure 2 in Emerging global novelty in phyllobothriidean tapeworms (Cestoda: Phyllobothriidea) from sharks and skates (Elasmobranchii)
Figure 2. Line drawings of adults of Ruhnkebothrium (specimen accession numbers in parentheses). A, scolex of Ruhnkebothrium mattisi (LRP no. 10295). B, whole worm of Ru. mattisi (LRP no. 10295). C, mature proglottid of Ru. mattisi (USNM no. 1638656). D, scolex of Ruhnkebothrium bajaense (CNHE no. 10662). E, mature proglottid of Ru. bajaense (CNHE no. 10662).
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