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1,085 results for “Ciliophora”
Figure 13 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 13. Euplotes balteatus (A–D), Euplotes petzi nov. spec. (E–H) and Euplotes rariseta (I– N) after protargol impregnation. (A–C) Ventral view of three specimens, to show the general appearance of infraciliature, arrow in A marks the strong and loosely arranged transverse cirri, arrowheads in C indicate the two marginal cirri. (D) Dorsal view, note that the basal bodies are loosely arranged. (E, G, H) Ventral view, note the two small and closely- spaced marginal cirri (arrow and arrowheads). (F) Dorsal view. (I, K) Ventral view, arrows mark the single marginal cirrus, arrowheads in K indicate the weak and close-set transverse cirri. (L) Ventral view, arrowhead marks the two anteriormost frontoventral cirri. (M) Ventral view, to show the adoral zone and the marginal cirrus (arrowhead). (N) Ventral view, arrow indicates the paroral membrane. Scale bars: 20 Mm (A, I); 35 Mm (E).
Figure 10 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 10. Condylostoma spatiosum (A, B), Diophrys scutum (D), Diophrys aff. oligothrix (C, G), Diophrys appendiculata (E), Euplotes vannus (F) and Euplotes dragescoi nov. spec. (H–K) after protargol impregnation. (A) Dorsal view, to show the general appearance, arrow marks the beaded macronucleus. (B) Caudal portion, arrowhead marks the suture. (C) Dorsal view, to show the dorsal kineties (arrows). (D) Ventral view, to show the general infraciliature. (E) Ventral view, arrow marks the pre-transverse cirrus, double-arrowheads indicate the transverse cirri, while arrowhead points to the anterior marginal cirrus. (F) Dorsal view, arrowheads mark the three caudal cirri, arrow indicates the macronucleus. (G) Ventral view, arrow marks the pre-transverse cirrus. (H) Detail of a divider, arrowheads mark the newlyformed two marginal cirri (note the different sizes). (I) Dorsal view, to show the ridges. (J) Ventral view, arrow marks the anterior (large) marginal cirrus, double-arrowheads indicate the paroral membrane. (K) Detail of ventral view, arrow and arrowhead indicate the small and large marginal cirrus, respectively. Scale bars: 200 Mm (A); 100 Mm (D); 50 Mm (E–G, J).
Figure 11 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 11. Holosticha antarctica nov. spec. after protargol impregnation. (A, B, F) Ventral view, to show the general appearance of ciliature. (C) Ventral view of caudal portion, arrow indicates the transverse cirri. (D, E, G) Ventral view of anterior portion, arrow in D marks the frontoterminal cirri, in E indicates the distal end of adoral zone; arrowheads in G indicate the frontal cirri. (H) Dorsal view, to show the dorsal kineties. (I, L, M) Ventral view of caudal part, to show the different structures of the ciliature: arrow in I marks the midventral row, while those in L, M indicate the transverse cirri. Double-arrowheads in I mark the (likely?) posterior end of left marginal row. (J, K) Ventral view, to show the buccal apparatus, arrows mark the buccal cirrus. Scale bars: 100 Mm (A); 60 Mm (B); 200 Mm (F); 50 Mm (I, L).
Figure 8 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 8. Urotricha antarctica nov. spec. (A–F), Pleuronema coronatum (G–I) and Pseudocohnilembus persalinus (J–N) after protargol (A–I, K) and silver-nitrate (J, L–N) impregnations. (A) Apical view, to show the oral area, arrowheads mark the tiny extrusomes in the roomy cytostome, arrow indicates the moral kinety. (B, C) Anterior portion, arrows mark the dorsal brush, while double-arrowheads in C indicate the macronucleus. (D, E) Caudal area, arrows mark the caudal cilia. (F) Caudal view, arrow indicates the contractilevacuole pores. (G, I) Ventral view, to show the buccal apparatus. (H) The same specimen as in G, to show the shortened preoral kineties (arrowheads). (J) Anterior part, to show the ciliafree apical area (arrowhead). (K) Right lateral view, to show the somatic (arrowhead) and buccal (arrow) ciliature. (L) Right view, to show the contractile-vacuole pore (arrow). (M) Ventral view, to show the cytopyge (arrow) and contractile-vacuole pore (arrowhead). (N) Ventral view, to shouw the silverline structure (arrow) conecting the membranelles (arrowheads). Scale bars: 30 Mm.
Figure 9 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 9. Chlamydonella apoprostomata nov. spec. (A–G), Litonotus sp. (H, I, K) and Hartmannula angustipilosa (J) after protargol impregnation. (A, B) Ventral view of anterior portion, to show the preoral kineties (arrows). (C) The same specimen as A, to show the cytostome (arrow). (D, G) Dorsal view, to show the apical fragment (arrow and arrowheads). (E) Detail of anterior part, ventral view, to show the argentophilic granules (arrowheads) and the terminal fragment (arrow). (F) Ventral view, to show the gradually shortened somatic kineties (arrowheads). (H) Left view, to show the dorsal brush (arrow). (I) Right view, note the shortened somatic kineties (arrowheads). (J) Ventral view, to show the macronucleus (arrow) and the shortened somatic kineties (arrowheads). (K) Left view, to show the macronuclei (arrowheads) and the ridges (arrows). Scale bars: 30 Mm (C); 50 Mm (I); 40 Mm (J).
Figure 6 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 6. Euplotes petzi nov. spec. from life (A, C, D) and after protargol impregnation (B, E–G) (C, D, G; after Petz, Song and Wilbert 1995). (A, D) Specimens found in 2006 population (A) and 1995 population (D), note the different lengths of most ciliary organelles. (B) Different shapes of macronucleus. (C) To show the dorsal ridges (arrows). (E, F) Ventral and dorsal view of a specimen from 2006 population. (G) Dorsal view of a specimen from the population studied by Petz et al. 1995. CC, caudal cirri; DK, dorsal kineties; FVC, frontoventral cirri; Ma, macronucleus; MC, marginal cirrus; Mi, micronucleus; TC, transverse cirri. Scale bars: 30 Mm.
Figure 5 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 5. Diophrys appendiculata (A) and D. aff. oligothrix (B–F) after protargol impregnation. (A) Ventral view of infraciliature, arrows mark the fragment-like dorsolateral kineties. (B, C) Ventral and dorsal views of the same specimen (not typical considering its fine cirri); note that most of the cirri are relatively weaker than those in A (D. appendiculata); arrowheads mark the transverse cirri, arrows indicate the dorsolateral kineties. (D, E) Two newly divided individuals, note that the cirri are conspicuously strong; arrows in E mark the dorsolateral kinety. (F) Dorsal side, arrows mark the dorsal kineties. CC, caudal cirri; FC, frontal cirri; MC, marginal cirri. Scale bars: 30 Mm (A); 40 Mm (B, C).
Figure 4 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 4. Bickella antarctica nov. spec. (A–E) from life (A) and after protargol impregnation. (C) Lateral view, arrow marks the macronucleus. (E) Apical view, arrow marks the paroral membrane, arrowheads indicate the end of adoral-zone of membranelles. (D) Details of membranelles and paroral membrane. (B) Somatic kineties, composed of dikinetids. Scale bars: 100 Mm (A); 50 Mm (C); 20 Mm (E).
Figure 7 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 7. Euplotes dragescoi nov. spec. after protargol impregnation. (A, B) Ventral and dorsal views of the same specimen, arrow in A marks the tiny second marginal cirrus. (C) Ventral view. AZM, adoral zone of membranelles; CC, caudal cirri; DK, dorsal kineties; FVC, frontoventral cirri; Ma, macronucleus; MC, marginal cirrus. Scale bar: 50 Mm.
Figure 2 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 2. Holosticha antarctica nov. spec. from life (A, E) and after protargol impregnation (B–D, F–H). (A) Ventral view of a typical specimen. (B, C) Ventral and dorsal views of the same specimen, to show the general infraciliature. (D) Detailed structure of buccal area, arrow marks the distal end of adoral zone. (E) To show different body shapes when crawling on a substrate surface. (F–H) Caudal part, to show the different appearance of the cirral patterns. Note that the transverse cirri are sometimes mixed with the marginal row. AZM, adoral zone of membranelles; BC, buccal cirrus; DK, dorsal kineties; EM, endoral membrane; FC, frontal cirri; FTC, frontoterminal cirri; LMR, left marginal row; Ma, macronucleus; Mi, micronucleus; MVR, midventral rows; PM, paroral membrane; RMR, right marginal row; TC, transverse cirri. Scale bars: 150 Mm (A, E); 100 Mm (B, D).
Figure 3 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 3. Pseudocohnilembus persalinus (A), Euplotes vannus (B, C), Metaurostylopsis marina (D, E) and Holosticha apodiademata nov. spec. (F, G) after silver-nitrate (A) and protargol impregnation (B–G). (A) Ventral view of silverline system, arrow marks the small membranelle 3. (B, C) Ventral and dorsal view of the same specimen, arrow in B indicates the paroral membrane. (D, E) Ventral and dorsal views of the same specimen, doublearrowheads mark the posterior end of the ventral row, which is continued by the short midventral rows, while the arrow indicates the buccal cirrus. (F, G) Ventral and dorsal view of the same specimen, arrow marks the big gap between the two parts of the adoral zone. AZM, adoral zone of membranelles; CC, caudal cilia (in A) or caudal cirri (in B); BC, buccal cirrus; Cs, cytostome; CVP, contractile vacuole pore; CyP, cytopyge; DK, dorsal kineties; FC, frontal cirri; FTC, frontoterminal cirri; FVC, frontoventral cirri; M1, M2, membranelles 1 and 2; Ma, macronucleus; MC, marginal cirri; MVR, midventral rows; PM, paroral membrane; SKn, last somatic kinety; TC, transverse cirri. Scale bars: 25 Mm (A); 40 Mm (B–E); 50 Mm (F, G).
Figure 1 in A further study on littoral ciliates (Protozoa, Ciliophora) near King George Island, Antarctica, with description of a new genus and seven new species
Figure 1. Urotricha antarctica nov. spec. (A–C), Chlamydonella apoprostomata nov. spec. (D– F) and Hartmannula angustipilosa (G–J) after protargol impregnation. (A) General view of morphology, to show the macronucleus (Ma) and contractile vacuole (CV). (B) Apical view, to show the cytostome area; note the circumoral kinety (CK). Arrow marks the dorsal brush. (C) Caudal view, arrowheads mark the kinety ring, arrow indicates the contractile vacuole pores, while double-arrowheads mark the caudal cilia. (D) Ventral view, to show the general ciliature, arrow marks the leftmost end of perioral kineties; arrows mark the circle of argentophilic granules, while the double-arrowheads indicate the micronucleus. (E) Buccal apparatus, to show the fragmented perioral kineties. (F) To show two specimens full of ingested diatoms. (G) Ventral view, to show the general ciliature. (H) Details in oral area, arrows mark the perioral kineties. (I, J) Anterior portion, arrow in I marks the macronucleus. AK, apical kinety; CK, circumoral kinety; Cs, cytostome; CV, contractile vacuole; EF, equatorial fragment; Ma, macronucleus; PeK, perioral kineties; Po, podite; PrK, preoral kineties; TF, terminal fragment. Scale bars: 50 Mm (A); 40 Mm (D); 60 Mm (E, F).
FIGURES 22–30 in Morphology and infraciliature of a new marine ciliate, Cinetochilum ovale n. sp. (Ciliophora: Oligohymenophorea)
FIGURES 22–30. Morphology and infraciliature of Cinetochilum species. (22–25) C. margaritaceum (22 and 23, from Puytorac et al. 1974; 24 and 25, from Kahl 1931). (26) C. australiense (from Pomp & Wilbert 1988). (27) C. impatiens (from Penard 1922). (28) C. mirum (from Penard 1922). (29, 30) C. marinum (from Kahl 1931). Scale bars = 20 µm.
FIGURES 1–7 in Morphology and infraciliature of a new marine ciliate, Cinetochilum ovale n. sp. (Ciliophora: Oligohymenophorea)
FIGURES 1–7. Morphology and infraciliature of Cinetochilum ovale n. sp. from live cells (1–3) and after protargol impregnations (4–7). (1, 2) Ventral views of two typical individuals. (3) Lateral view. (4) Structural details of oral area. Arrow marks the extra dikinetids near the anterior end of somatic kinety 1, and double-arrowheads indicate the anteriormost row in membranelle 1, which is detached from the remaining two rows. (5, 6) Ventral (5) and dorsal (6) views of the infraciliature. Arrow indicates the anterior suture. (7) Ventral view of a divider, showing the nature of 3-rowed membranelle 1 (arrowhead). Cy = cyrtos-like structure; M1-3 = membranelles 1–3; Ma = macronucleus; Mi = micronucleus; PF = postoral kinetofragment; PM= paroral kinety; Sc = scutica; SK1, 2, n-1 and n = somatic kinety 1, 2, n-1 and n. Scale bar = 10 µm.
FIGURES 8–21. Cinetochilum ovale n in Morphology and infraciliature of a new marine ciliate, Cinetochilum ovale n. sp. (Ciliophora: Oligohymenophorea)
FIGURES 8–21. Cinetochilum ovale n. sp. from live cells (8–12) and after protargol impregnations (13–21). (8–12) Ventral (8, 11, 12) and dorsal (9, 10) views, showing one of the caudal cilia (arrowhead), the contractile vacuole (arrows in 9 and 10), and the oral field (arrows in 12). (13, 16) Dorsal views of the infraciliature, showing the micronucleus (arrowhead) and one of the caudal kinetosome (arrow). (14, 15) Ventral views of the infraciliature, arrow marks the anterior portion of somatic kinety 2, arrowhead indicates the anterior end of SKn-1 with two kinetosomal pairs side by side. (17) Showing the paroral kinety (arrowhead) and the scutica (arrow). (18) To note the anterior-most row in membranelle 1 and the somatic kinety n. (19) Showing the three membranelles (M1–3) and the three postoral kinetofragments (arrow). (20) Focusing on the cyrtos-like structure. (21) A specimen in morphogenesis. Scale bar = 20 µm.
FIGS. 12–19 in Morphological studies on a new species of Orthodonella, with redescription of O. gutta (Cohn, 1866) Kahl, 1931 (Protozoa: Ciliophora: Synhymeniida) from coastal water off Qingdao, China
FIGS. 12–19. Orthodonella gutta (12, from Cohn, 1866); O. hamatus (13, from Gruber, 1884; 14, from Ozaki and Yagiu, 1941; 15, 18, from Wilbert, 1986; 19, from Jankowski, 1968) and O. shenae (16, 17, from Song and Wilbert, 2002). Scale bars: 40 Mm.
FIGS. 1–11 in Morphological studies on a new species of Orthodonella, with redescription of O. gutta (Cohn, 1866) Kahl, 1931 (Protozoa: Ciliophora: Synhymeniida) from coastal water off Qingdao, China
FIGS. 1–11. Morphology and infraciliature of Orthodonella apohamatus nov. spec. (1, 2, 4, 8, 9) and O. gutta (3, 5–7, 10, 11) from life (1, 3, 5–7) and after protargol impregnation (2, 4, 8, 9–11). (1) Ventral view of a typical individual. (2) Ventral view, to show the synhymenium (arrows) and nuclear apparatus. (3) To demonstrate the form-transfiguration of the same individual. (4) To show different body shapes and sizes among individuals. (5) Cortical granules. (6) Oil globules. (7) Ventral view of an extended individual. (8, 9) Dorsal and ventral view of the same specimen, to show the general infraciliature, arrow indicates the synhymenium and arrowheads show the 'broken' kineties. (10, 11) Dorsal and ventral view of the same specimen, to show the general infraciliature, arrow indicates the synhymenium and arrowheads show the 'broken' kineties. CV, contractile vacuole; Cyst, cytostome; Ma, macronucleus; Mi, micronucleus. Scale bars: 40 Mm.
FIGS. 20–28 in Morphological studies on a new species of Orthodonella, with redescription of O. gutta (Cohn, 1866) Kahl, 1931 (Protozoa: Ciliophora: Synhymeniida) from coastal water off Qingdao, China
FIGS. 20–28. Photomicrographs of Orthodonella apohamatus nov. spec. from life (20–22, 25) and after protargol impregnation (23, 24, 26–28). (20) Ventral view of a typical individual, arrow marks the cytostome. (21, 22, 25) To show the form-transfiguration among different individuals, arrows show the cytostome. (23) To show the macronucleus and micronucleus (arrow). (24) To indicate the pharyngeal rods (arrow). (26–28) To show the infraciliature, arrow indicates the synhymenium. Scale bars: 40 Mm.
FIGURE 2 in Morphology and description of infraciliary bands pattern in four Metadinium Awerinzew & Mutafowa, 1914 species (Ciliophora, Entodiniomorphida, Ophryoscolecidae) with taxonomic notes on the genus
FIGURE 2. Schematic drawings of the species described in genus Metadinium Awerinzew & Mutafowa, 1914 based on the original description. a. Metadinium medium, type species of the genus; b. M. banksi c. M. caudatum; d. M. fissilaminatum; e. M. esalqum; f. M. magnum g. M. minorum; h. M. ossiculi; i. M. rotundatum; j. M. sablei; k. M. tauricum; l. M. ypsilon. ACZ: adoral ciliary zone; DCZ: dorsal ciliary zone; Ma: macronucleus; Mi: micronucleus; CV: contractile vacuole; Ctp: Cytoproct; Sk: Skeletal plates. Figures prepared out of scale. For morphometric data, see Table 1.
FIGURE 1 in Morphology and description of infraciliary bands pattern in four Metadinium Awerinzew & Mutafowa, 1914 species (Ciliophora, Entodiniomorphida, Ophryoscolecidae) with taxonomic notes on the genus
FIGURE 1. Four species of Metadinium ciliates reported in Brazilian domestic sheep (Ovis aries L.) a–d schematic drawings based on specimens stained with Lugol's solution and impregnated with silver carbonate; e–h specimens after silver carbonate impregnation. a and e. Metadinium esalqum (Dehority, 1979); b and f. Metadinium minorum (Dehority, 1975); c and g. Metadinium rotundatum Kofoid & Christenson, 1933; d and h. Metadinium ypsilon (Dogiel, 1925). AP: adoral polybracykynety; ACZ: adoral ciliary zone; CV: contractile vacuole; Ctp: Citoproct; DCZ: dorsal ciliary zone; DP: dorsal polybrachykynety; Ma: macronucleus; Mi: micronucleus; PK: paralabial kineties; Sk: skeletal plates; VP: vestibular polybrachykynety. Bars: 20 µm.
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