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1,069 results for “bryozoans”
Fig. 4 in Reproductive biology, embryonic development and matrotrophy in the phylactolaemate bryozoan Plumatella casmiana
Fig. 4 Gonads and early embyo sac of Plumatella casmiana (semithin sections a, c, d), and whole-mount of Plumatella sp. (b). a Ovary with several oocytes. b Testes at the funiculus. Spermatids contain mostly the nucleus (insert). c Early cleavage stage with an embryo consisting of several blastomeres located at the free end of the embryo sac. The maternal ectodermal lining of the embryo covers the entire embryo (dashed line). d Oblique section of a blastula stage with commencing mesoderm formation (arrowheads indicate first mesodermal cells delaminating from the ectoderm). The maternal ectodermal lining persists (dashed line). Abbreviations: bwm body wall musculature, e embryo, ebs embryo sac, ed epidermis (ectodermal origin), ese embryo sac ectoderm, esm embryo sac mesoderm, fu funiculus; mec maternal ectoderm cells, nu nucleus, nuc nucleolus, ooc oocytes, ov ovary, ovc follicle cell, p peritoneum (mesodermal origin), sp sperm, yd yolk droplets
Fig. 1 Plumatella casmiana. a and b in Reproductive biology, embryonic development and matrotrophy in the phylactolaemate bryozoan Plumatella casmiana
Fig. 1 Plumatella casmiana. a and b Overview of colonies showing the branching growth pattern. c Detail of a piece of a colony showing extended lophophores
Fig. 9 in Morphology and life cycle of an epiphytic pherusellid ctenostome bryozoan from the Mediterranean Sea
Fig. 9 Myoanatomy of a retracted polypide of an adult Pherusella sp. a Anal view of the lophophoral base. Volume rendering. Note the two buccal dilatators on a more proximal position, indicated by asterisk (*). b Oral view of retractor muscle and lophophoral base. Maximum intensity projection. c Distal view of musculature of the polypide. Maximum intensity projection. d Detailed view of retractor muscle shows f-actin fibers with a crossstriated pattern indicated by arrows. Maximum intensity projection. e Distal view of musculature of the polypide with particular focus on the longitudinal fibers proceeding along the esophagus and cardia. Volume rendering. Abbreviations: al – abfrontal lophophoral base muscle, bd – buccal dilatator, ca – cardia, cae – caecum, es – esophagus, f – funiculus, fl – frontal lophophoral base muscle, int – intestine, mo – mouth opening, ph – pharynx, phr – pharyngeal ring muscle, py – pylorus, rm – retractor muscle, tm – tentacle muscle, vm – "vshaped" lophophoral base muscle
Fig. 13 in Morphology and life cycle of an epiphytic pherusellid ctenostome bryozoan from the Mediterranean Sea
Fig. 13 Tentacle innervation and peripheral nervous system of an adult Pherusella sp. a + b Oral view of the lophophoral base with four neurite bundles innervating each tentacle. Staining against acetylated alpha-tubulin. b Medio-frontal neurite bundle is indicated in green, latero-frontal neurite bundle in purple, and abfrontal neurite bundle in yellow. Maximum intensity projection. c Peripheral nervous system shows the distal part with the parietal plexus und parietal muscle innervation. Staining against acetylated alpha-tubulin is indicated in green, musculature is indicated in beige, and cell nuclei in blue. Volume rendering. Abbreviations: afn – abfrontal neurite bundle, ap – aperture, cg – cerebral ganglion, cor – circumoral ring neurite bundle, cts – compound tentacle sheath neurite bundle, lfn – latero-frontal neurite bundle, mfn – medio-frontal neurite bundle, int – intestine, pm – parietal muscle, pmn – parietal muscle neurite bundle, pp – parietal plexus, pv – parietovestibular muscle, rm – retractor muscle, t – tentacle, v – vestibulum
Fig. 3 in Three new records of Korean cyclostomatous bryozoans
Fig. 3. Nevianipora rugatata Liu in Liu, Yin & Ma, 2001. A, B, General view showing arrangement of autozooids and cross bar between branches (arrow); C, Ooeciostome, autozooids and pores in B; D, Detailed ooeciostome. Scale bars: A, B = 1 mm; C = 300 μm; D = 100 μm.
Fig. 4 in Three new records of Korean cyclostomatous bryozoans
Fig. 4. Bicrisia edwardsiana (d'Orbigny, 1841). A, Colony showing autozooidal arrangement with gonozooid; B, Internodes and jointed spines; C, Gonozooids and ooeciostomes; D, Dorsal surface. Scale bars: A = 1 mm; B-D = 500 μm.
Fig. 10. Stephanella hina Oka, 1908. A in Freshwater bryozoans of Korea-observations on living colonies and three new records
Fig. 10. Stephanella hina Oka, 1908. A, Colony (white arrow); B, Dorsal view, floatoblast. Scale bars: A = 3 mm; B = 100 μm.
Fig. 6 in Freshwater bryozoans of Korea-observations on living colonies and three new records
Fig. 6. Plumatella fungosa (Pallas, 1768). A, Dorsal view, flatoblast; B, Ventral view, flatoblast; C, Annulus and fenestra in detail; D, Sessoblast. Scale bars: A, B, D = 100 μm, C = 30 μm.
Fig. 3 in Freshwater bryozoans of Korea-observations on living colonies and three new records
Fig. 3. Fredericella sultana (Blumenbach, 1779). A, Colonies (white arrows); B, Piptoblasts (black arrows), within colony; C, D, Piptoblast. Scale bars: A = 1 cm, B = 1 mm, C = 300 μm, D = 100 μm.
Figure 5 from: Šatkauskienė I, Wood T, Rutkauskaitė-Sucilienė J, Mildažienė V, Tučkutė S (2018) Freshwater bryozoans of Lithuania (Bryozoa). ZooKeys 774: 53-75. https://doi.org/10.3897/zookeys.774.21769
Figure 5 Plumatella emarginata floatoblast valves. The dorsal valve (left) has a characteristically small central fenestra; in the ventral valve (right) the fenestra is nearly circular. Scale bar: 100 µm.
Figure 6 from: Šatkauskienė I, Wood T, Rutkauskaitė-Sucilienė J, Mildažienė V, Tučkutė S (2018) Freshwater bryozoans of Lithuania (Bryozoa). ZooKeys 774: 53-75. https://doi.org/10.3897/zookeys.774.21769
Figure 6 Plumatella casmiana. A Portion of a colony showing crowded zooids almost entirely attached to the substratum B Dorsal valve of floatoblast (left) and leptoblast (right). Scale bars: 1 mm (A), 100 µm (B).
Figure 1 from: Šatkauskienė I, Wood T, Rutkauskaitė-Sucilienė J, Mildažienė V, Tučkutė S (2018) Freshwater bryozoans of Lithuania (Bryozoa). ZooKeys 774: 53-75. https://doi.org/10.3897/zookeys.774.21769
Figure 1 Map of the investigated regions in Lithuania. Triangles mark the approximate locations of collecting sites, which are further identified by name abbreviations (see Table 1).
Figure 4 from: Šatkauskienė I, Wood T, Rutkauskaitė-Sucilienė J, Mildažienė V, Tučkutė S (2018) Freshwater bryozoans of Lithuania (Bryozoa). ZooKeys 774: 53-75. https://doi.org/10.3897/zookeys.774.21769
Figure 4 Plumatella fungosa. Scanning electron micrograph showing characteristic tubercles on the floatoblast annulus. Scale bar: 100 μm.
Figure 3 from: Šatkauskienė I, Wood T, Rutkauskaitė-Sucilienė J, Mildažienė V, Tučkutė S (2018) Freshwater bryozoans of Lithuania (Bryozoa). ZooKeys 774: 53-75. https://doi.org/10.3897/zookeys.774.21769
Figure 3 Plumatella geimermassardi. Scanning electron micrograph of the floatoblast ventral valve showing the uniformly narrow annulus. Scale bar: 100 μm.
Figure 2 from: Šatkauskienė I, Wood T, Rutkauskaitė-Sucilienė J, Mildažienė V, Tučkutė S (2018) Freshwater bryozoans of Lithuania (Bryozoa). ZooKeys 774: 53-75. https://doi.org/10.3897/zookeys.774.21769
Figure 2 Plumatella repens. Scanning electron micrograph of floatoblasts showing dorsal valve (left) and ventral valve (right). Scale bars: 200 μm.
Figure 8 from: Šatkauskienė I, Wood T, Rutkauskaitė-Sucilienė J, Mildažienė V, Tučkutė S (2018) Freshwater bryozoans of Lithuania (Bryozoa). ZooKeys 774: 53-75. https://doi.org/10.3897/zookeys.774.21769
Figure 8 Hyalinella punctata. Scanning electron micrograph showing the floatoblast ventral valve. Scale bar: 300 μm.
Figure 7 from: Šatkauskienė I, Wood T, Rutkauskaitė-Sucilienė J, Mildažienė V, Tučkutė S (2018) Freshwater bryozoans of Lithuania (Bryozoa). ZooKeys 774: 53-75. https://doi.org/10.3897/zookeys.774.21769
Figure 7 Plumatella fruticosa. A Colony showing upright zooids and branches (B) Scanning electron micrograph showing floatoblast ventral valve with characteristic long, narrow shape. Scale bars: 3 mm (A); 200 μm (B).
Figure 9 from: Šatkauskienė I, Wood T, Rutkauskaitė-Sucilienė J, Mildažienė V, Tučkutė S (2018) Freshwater bryozoans of Lithuania (Bryozoa). ZooKeys 774: 53-75. https://doi.org/10.3897/zookeys.774.21769
Figure 9 Cristatella mucedo. Scanning electron micrograph showing floatoblast with characteristic spines. Scale bar: 500 μm.
Figure 1 from: Rouse S, Loxton J, Jones MES, Porter JS (2018) A checklist of marine bryozoan taxa in Scottish sea regions. ZooKeys 787: 135-149. https://doi.org/10.3897/zookeys.787.24647
Figure 1 Scottish sea regions. The abbreviations given are used in the checklist. BLY (Bailey), CLD (Clyde), ESH (East Shetland), EST (East Scotland), FDN (Fladen), FRT (Forties), FSC (Faroe-Shetland Channel), FTH (Forth), HBD (Hebrides), MMS (Minches and Malin Sea), MRF (Moray Firth), NSC (North Scotland), RK (Rockall), SFN (Solway Firth and North Channel), WSH (West Shetland).
Supplementary material 1 from: Rouse S, Loxton J, Jones MES, Porter JS (2018) A checklist of marine bryozoan taxa in Scottish sea regions. ZooKeys 787: 135-149. https://doi.org/10.3897/zookeys.787.24647
Scottish bryozoan records :
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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