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14 results for “Botryllus”
FIGURE 4. Botryllus eilatensis n in A new species of the genus Botryllus (Ascidiacea) from the Red Sea
FIGURE 4. Botryllus eilatensis n. sp. A, young zooid with fully developed branchial sac; B, internal side of the gut and testes; C, external side of the stomach; D, first order bud with gonads and second order bud. Scale bar: A, B, C: 0.5 mm; D, 0.2 mm.
FIGURE 3. Botryllus eilatensis n in A new species of the genus Botryllus (Ascidiacea) from the Red Sea
FIGURE 3. Botryllus eilatensis n. sp. Two nourishing zooids stained with hemalum: A, without gonads; B, with testes. Scale bar: 1 mm
FIGURE 5. Botryllus eilatensis n in A new species of the genus Botryllus (Ascidiacea) from the Red Sea
FIGURE 5. Botryllus eilatensis n. sp. stained with hemalum. A, zooid opened along the ventral line; B, first order bud; C, digestive tract. Scale bars: A,1 mm; B,C, 0.2 mm.
FIGURE 17. Botryllus pumilus n in Ascidians (Tunicata) of the French Guiana Expedition
FIGURE 17. Botryllus pumilus n. sp. stained with hemalum. A,B, two stages of bodies ventrally opened, scale bar = 1 mm; C, internal side of the gut loop; D, stomach caecum, scale bar = 0.3 mm; E, zooid.
FIGURE 6. Botryllus flavus n in Shallow-water Ascidians from Matua Island (central Kuril Islands, NW Pacific)
FIGURE 6. Botryllus flavus n. sp., colonies. A, paratype KBPGI 1450/2; B, holotype KBPGI 1449/1; C and D, specimens from Kamchatka.
FIGURE 4. B. schlosseri. A in Fixation, description and DNA barcode of a neotype for Botryllus schlosseri (Pallas, 1766) (Tunicata, Ascidiacea)
FIGURE 4. B. schlosseri. A: swimming larva; A1: enlargement of the "head"; B: oozooid, ventral view; C–E: enlargements of oozooid intestinal loop; E: stomach fold with longitudianl rut (white arrowhead); F: zooid of first blastogenetic generation (ventral view); G: system of zooids of second blastogenetic generation (ventral view), G1: particular enlarged of second order bus; G2: particular enlarged of the oral syphon (ventral view) showing the mass of blood cells at the base of the two lateral tentacles. Symbols as in Figure 1.
FIGURE 3. B. schlosseri. A in Fixation, description and DNA barcode of a neotype for Botryllus schlosseri (Pallas, 1766) (Tunicata, Ascidiacea)
FIGURE 3. B. schlosseri. A: metamorphosing larva, ventral view; B: oozooid with its first order bud on which second order buds are developing, dorsal view; C: oozooid intestinal loop; D: filtering zooid of first blastogenetic generation with its buds, ventral view; E: stomach of the zooid of first blastogenetic generation: mesial (at left) and parietal (at right) sides; F: ventral view of a system formed of two zooids of second blastogenetic generation (derived from buds b1 of D), on left side a third atrophic b1 bud is present; G: enlargement of a zooid of F; H: enlargement of the a first order bud of previous figure on which two second order buds are developing. Symbols as in Figure 1.
FIGURE 1. B. schlosseri. A in Fixation, description and DNA barcode of a neotype for Botryllus schlosseri (Pallas, 1766) (Tunicata, Ascidiacea)
FIGURE 1. B. schlosseri. A: filtering zooid without ovaries (left side view); B: filtering zooid with embryos and testis (left side view); C: spoon shaped tentacle; D: intestinal loop; E1: parietal side of stomach to show how stomach and coecum length are measured; E2: parietal (left) and mesial (right) sides of stomach; E3: stomach and its transversal section at the pyloric caecum level (draws from Michaelsen, 1921, fig. 3 on pag 110).
FIGURE 2. B. schlosseri. A in Fixation, description and DNA barcode of a neotype for Botryllus schlosseri (Pallas, 1766) (Tunicata, Ascidiacea)
FIGURE 2. B. schlosseri. A: filtering zooid with testis; B: particular of the previous figure enlarged to show the second row of stigmata (black arrowhead) does not arrive to the dorsal vessel; C: Detail of figure B to show the spoon shaped oral tentacles; A, B, C; the white arrowheads indicate the mass of blood cells at the base of the two lateral tentacles; D: oral spoon shaped tentacles seen at the scanning electron microscopy; E: branchial sac opened; E1: particular enlarged to show the simple (s) and double (d) dorsal lamina; F: isolated intestinal loop; G: enlarged portion of stomach to show typhlosole, pyloric caecum and duct of the pyloric gland; H: first order bud (stage 8/2-3); I: particular enlarged of the figure H showing oocytes and testis, the second order bud in stage 2-3. Symbols as in Figure 1.
FIGURE 2 in A new species of the genus Botryllus (Ascidiacea) from the Red Sea
FIGURE 2. Both color morph of Botryllus eilatensis n. sp.
FIGURE 7. Botryllus flavus n in Shallow-water Ascidians from Matua Island (central Kuril Islands, NW Pacific)
FIGURE 7. Botryllus flavus n. sp. A, zooid; B, tentacles; C, gut loop.
The onset of whole-body regeneration in Botryllus schlosseri: morphological and molecular characterization
GEO Series GSE193805. Botryllus schlosseri. 12 samples. Type: Expression profiling by high throughput sequencing.
Transcriptome Analysis of the Basal Chordate Botryllus schlosseri Reveals a Set of Genes Associated with Fertility
GEO Series GSE62112. Botryllus schlosseri. 42 samples. Type: Expression profiling by high throughput sequencing.
Vascular Aging in the Invertebrate Chordate, Botryllus schlosseri
GEO Series GSE115267. Botryllus schlosseri. 27 samples. Type: Expression profiling by high throughput sequencing.
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