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432 results for “morphological development”
FIGURE 7 in Morphology of larval and first juvenile stages of the kangaroo shrimp Dugastella valentina (Crustacea, Decapoda, Caridea), a freshwater atyid with abbreviated development and parental care
FIGURE 7. Dugastella valentina (Ferrer Galdiano, 1924), first juvenile: A, lateral view; B, dorsal view; C, antenna; D, antennule; E, mandible; F, maxillule; G, maxilla. Scale bars= 1 mm (A,B), 0.1 mm (C–G).
FIGURE 6 in Morphology of larval and first juvenile stages of the kangaroo shrimp Dugastella valentina (Crustacea, Decapoda, Caridea), a freshwater atyid with abbreviated development and parental care
FIGURE 6. Dugastella valentina (Ferrer Galdiano, 1924), telson: A, zoea I; B, zoea II; C, decapodid; third pleopod: D, zoea I; E, zoea II; F, decapodid. Scale bar = 0.5 mm (A–C), 0.25 mm (D–F).
FIGURE 5 in Morphology of larval and first juvenile stages of the kangaroo shrimp Dugastella valentina (Crustacea, Decapoda, Caridea), a freshwater atyid with abbreviated development and parental care
FIGURE 5. Dugastella valentina (Ferrer Galdiano, 1924), pereiopods first to fifth: A–E, zoea I; F–J, zoea II; K–O, decapodid. Scale bar = 0.25 mm.
FIGURE 3 in Morphology of larval and first juvenile stages of the kangaroo shrimp Dugastella valentina (Crustacea, Decapoda, Caridea), a freshwater atyid with abbreviated development and parental care
FIGURE 3. Dugastella valentina (Ferrer Galdiano, 1924), mandible: A, zoea I; B, zoea II; C, decapodid; maxillule: D, zoea I; E, zoea II; F, decapodid; maxilla: G, zoea I; H, zoea II; I, decapodid. Scale bars = 0.1 mm.
FIGURE 4 in Morphology of larval and first juvenile stages of the kangaroo shrimp Dugastella valentina (Crustacea, Decapoda, Caridea), a freshwater atyid with abbreviated development and parental care
FIGURE 4. Dugastella valentina (Ferrer Galdiano, 1924), first maxilliped: A, zoea I; B, zoea II; C, decapodid; second maxilliped: D, zoea I; E, zoea II; F, decapodid; third maxilliped: G, zoea I; H, zoea II; I, decapodid. Scale bar = 0.25 mm.
FIGURE 2 in Morphology of larval and first juvenile stages of the kangaroo shrimp Dugastella valentina (Crustacea, Decapoda, Caridea), a freshwater atyid with abbreviated development and parental care
FIGURE 2. Dugastella valentina (Ferrer Galdiano, 1924), antennule: A, zoea I; B, zoea II; C, decapodid; antenna: D, zoea I; E, zoea II; F, decapodid. Scale bar = 0.25 mm.
FIGURE 1 in Morphology of larval and first juvenile stages of the kangaroo shrimp Dugastella valentina (Crustacea, Decapoda, Caridea), a freshwater atyid with abbreviated development and parental care
FIGURE 1. Dugastella valentina (Ferrer Galdiano, 1924), lateral view: A, zoea I; B, zoea II; C, decapodid; dorsal view: D, zoea I; E, zoea II; F, decapodid. Scale bar = 1 mm.
FIGURE 6 in Larval development of the freshwater shrimp Atyaephyra desmarestii (Millet, 1831) sensu lato (Decapoda: Caridea: Atyidae) and morphological maturation from juveniles to adults
FIGURE 6. Zoea VII (Megalopa): A. 1st Maxilliped; B. 1st Pereiopod; C. 2nd Pereiopod; D. 3rd Pereiopod; E. 1st Pleopod; F. 2nd Pleopod. Scales: A. 1.18 mm; B. 1.08 mm; C. 1.18 mm; D. 2.55 mm; E. 2.55 mm; F. 2.45 mm.
FIGURE 5 in Larval development of the freshwater shrimp Atyaephyra desmarestii (Millet, 1831) sensu lato (Decapoda: Caridea: Atyidae) and morphological maturation from juveniles to adults
FIGURE 5. Zoea VII (Megalopa): A. Rostrum; B. Telson; C. Uropod; D. Antennule; E. Antenna; F. Maxilla. Scales: A. 6.66 mm; B. 5.19 mm; C. 5.29 mm; D. 5.98 mm; E. 5.19 mm; F. 0.78 mm.
FIGURE 3 in Larval development of the freshwater shrimp Atyaephyra desmarestii (Millet, 1831) sensu lato (Decapoda: Caridea: Atyidae) and morphological maturation from juveniles to adults
FIGURE 3. Zoea III to V. Zoea III: A. Telson; B. Antennule; C. Antenna; D. Maxilla; E. 2nd Maxilliped; Zoea IV: F. Rostrum; G. Telson; Zoea V: H. Rostrum; I. Telson. Scales: A. 3.92 mm; B. 0.90 mm; C. 3.53 mm; D. 3.43 mm; E. 1.47 mm; F. 3.92 mm; G. 3.92 mm; H. 5.49 mm; I. 5.49 mm.
FIGURE 2. Zoea II. A in Larval development of the freshwater shrimp Atyaephyra desmarestii (Millet, 1831) sensu lato (Decapoda: Caridea: Atyidae) and morphological maturation from juveniles to adults
FIGURE 2. Zoea II. A. Telson; B. Antennule; C. Antenna; D. 1st Maxilliped; E. 2nd Maxilliped; F. 3rd Maxilliped; G. 1st Pereiopod; H. 2nd, 3rd and 4th Pereiopods. I. Position of chromatophores: 1. Post-rostral, 2. Optic, 3. Median Ocular, 4. Supracerebral, 5.Gastric, 6. Median Gastric, 7. Pterygostomian, 8. Post-pterygostomian, 9. Precardiac, 10. Subcardiac, 11. Postcardiac, 12. Periopodal, 13. Abdominal, 14. Basial of telson, 15. Lateroapical of teslon, 16. Centroapical of telson. Scales: A. 4.21 mm; B. 3.82 mm; C. 3.14 mm; D. 1.18 mm; E. 1.86 mm; F. 0.88 mm; G. 0.98 mm; H. 1.18 mm.
FIGURE 1. Zoea I. A in Larval development of the freshwater shrimp Atyaephyra desmarestii (Millet, 1831) sensu lato (Decapoda: Caridea: Atyidae) and morphological maturation from juveniles to adults
FIGURE 1. Zoea I. A. Whole specimen; B. Telson; C. Antennule; D. Antenna; E. Mandible; F. Maxillule; G. Maxilla; H. 1st Maxilliped; I. 2nd Maxilliped; J. 3rd Maxilliped; K. 1st Pereiopod. Scales: A. 1.57 mm; B. 2.35 mm; C. 0.39 mm; D. 0.39 mm; E. 0.58 mm; F. 0.58 mm; G. 0.48 mm; H. 0.69 mm; I. 0.20 mm; J. 0.29 mm; K. 1.18 mm.
Figure 9 in Postcranial skeletal development of Mugil cephalus (Teleostei: Mugiliformes): morphological and life-history implications for Mugiliformes
Figure 9. Schematic depictions of the squamation development of Mugil cephalus. A, L6: 7.2 mm standard length (SL), 25 days post-hatching (dph). B, L6: 7.4 mm SL, 25 dph. C, J1: 9.5 mm SL, 31 dph. D, J1: 9.6 mm SL, 31 dph. E, J2: 9.8 mm SL, 40 dph. White, no scales; light grey, area of newly developed scales; dark grey, area of differentiated scales.
Figure 7 in Postcranial skeletal development of Mugil cephalus (Teleostei: Mugiliformes): morphological and life-history implications for Mugiliformes
Figure 7. Drawings of development stages of the pelvic girdle in Mugil cephalus larvae. A, L5: 5.2 mm standard length (SL; DMM IE/16314). B, L6: 7.2 mm SL, 25 dph, C, L6: 7.4 mm SL, 25 dph. D, L6: 8.6 mm SL (DMM IE/16314). Blue, cartilage; pink, bone; light pink, membranous bone. Abbreviations: abp, anterior basipterygial process; ba, basipterygial arm; bp, basipterygial plate; ew, external wing; iw, internal wing; pbp, posterior basipterygial plate; pcv, ventral postcleithrum. Scale bars: 200 µm.
Figure 5 in Postcranial skeletal development of Mugil cephalus (Teleostei: Mugiliformes): morphological and life-history implications for Mugiliformes
Figure 5. Drawings of development stages of the caudal fin in Mugil cephalus larvae. A, L2: 3.2 mm notochord length (NL), 14 days post-hatching (dph). B, L3: 3.9 mm standard length (SL), 15 dph. C, L4: 4.4 mm SL, 19 dph. D, L4: 4.5 mm SL, 21 dph. E, L4: 4.6 mm SL, 19 dph. F, L5: 5.3 mm SL, 19 dph. G, L6: 7.2 mm SL, 25 dph. H, L6: 6.5 mm SL, 31 dph. Blue, cartilage; pink, bone; transparent pink, ossifying cartilage; light grey, notochord. Abbreviations: ahs, autogenous haemal spine; ans, autogenous neural spine; cc, compound centrum; eu, epural; hyp, hypural; ihc, interhaemal spine cartilage; lhp, lower hypural plate; ph, parhypural; uc, ural centrum; uhp, upper hypural plate; ur, uroneural. Scale bars: 200 µm.
Figure 3 in Postcranial skeletal development of Mugil cephalus (Teleostei: Mugiliformes): morphological and life-history implications for Mugiliformes
Figure 3. Schematic illustration of the development of the axial skeleton (lateral view) of Mugil cephalus. A, L1: 3.1 mm notochord length (NL), 10 days post-hatching (dph). B, L2: 3.2 mm NL, 14 dph. C, L3: 3.7 mm NL, 14 dph. D, L3: 3.6 mm NL, 18 dph. E, L4: 4.4 mm standard length (SL), 19 dph. F, L6: 7.2 mm SL, 25 dph. Blue, cartilage; pink, bone; light grey, notochord. Abbreviations: af, anal fin; ahs, autogenous haemal spine; ans, autogenous neural spine; ap, anal fin pterygiophore; cc, compound centrum; d1p, first dorsal pterygiophore; d2p, second dorsal pterygiophore; df2, second dorsal fin; ep, epipleural; eu, epural; ha, haemal arch; hyp, hypural; ip, interdorsal pterygiophore; na, neural arch; pa, parapophysis; ph, parhypural; ri, rib; sn, supraneural; uc, ural centrum; ur, uroneural; vc, vertebral column.
Figure 2 in Postcranial skeletal development of Mugil cephalus (Teleostei: Mugiliformes): morphological and life-history implications for Mugiliformes
Figure 2. Schematic illustration of the sequence of first appearance and development of skeletal elements in Mugil cephalus. Ossification of cartilaginous precursors is shown by the first appearance of bone. The end of the bar indicates the end of isometric growth of the respective structure. Length is shown as notochord length (*) or as standard length (specimen after notochord flexion). Dots indicate hatching, and random dashed lines indicate notochord flexion. Light grey bars, cartilage; dark grey bars, notochordal sheath; black bars, bone. Abbreviations: abdo, abdominal vertebrae; abp, anterior basipterygial process; af, anal fin rays; ap, anal fin pterygiophores; ba, basipterygial arm; bp, basipterygial plate; caud, caudal vertebrae; cl, cleithrum; co, coracoid; d1f, first dorsal fin rays; d1p, first dorsal fin pterygiophores; d2f, second dorsal fin rays; d2p, second dorsal fin pterygiophores; dr, distal radials; eu, epural; ew, external wing; fr, fin rays; ha, haemal arch; hs, haemal spine; hyp, hypural; ip, interdorsal pterygiophores; iw, internal wing; na, neural arch; ns, neural spine; pbp, posterior basipterygial process; pcd, dorsal postcleithrum; pcv, ventral postcleithrum; ph, parhypural; pr, proximal radial; ptm, posttemporal; ri, paired ribs; sc, scapula; su, supracleithrum; uc, ural centrum; ur, uroneural; vc, vertebral centrum.
The evolution of morphological development is congruent with the species phylogeny in the genus Streptomyces
<p>As the canonical model organism to dissect bacterial morphological development, <em>Streptomyces</em> species had attracted much attention from the microbiological society. However, the evolution of development-related genes in <em>Streptomyces</em> remains elusive. Here, we evaluate the distribution of development-related genes, thus indicating the majority of these genes were ubiquitous in <em>Streptomyces</em> genomes. Furthermore, we compare the phylogenetic topologies of related strict orthologous genes to the species tree of <em>Streptomyces</em>, from both concatenation and single-gene tree analyses. Meanwhile, the reconciled gene tree and normalization based on the number of parsimony-informative sites were also employed to reduce the impact of phylogenetic conflicts, which was induced by uncertainty in single-gene tree inference based merely on the sequence and the bias in the amount of phylogenetic information caused by variable numbers of parsimony-informative sites. We found that the development-related genes had higher congruence to the species tree than other strict orthologous genes. Considering the development-related genes could also be tracked back to the common ancestor of <em>Streptomyces</em>, these results suggest that morphological development follows the same pattern as species divergence.</p>
FIGURE 8 in Morphology of developing larvae and a dichotomous key for five bubble-nesting Betta species (Teleostei: Osphronemidae)
FIGURE 8. Morphological and pigmentation features of immature stages of Betta splendens (KUMF 7070); (a) Newly hatched larva (NL = 2.45 mm); (b) day 1 yolk sac larva (NL = 2.69 mm); (c) day 3 pre-flexion larva (NL = 2.86 mm); (d) day 7 preflexion larva (NL = 3.42 mm); (e) day 9 flexion larva (NL = 3.59 mm); (f) day 15 post-flexion larva (SL = 5.58 mm); (g) day 18 post-flexion larva (SL = 6.24 mm); (h) day 40 juvenile (SL = 11.78 mm).
FIGURE 1 in Morphology of developing larvae and a dichotomous key for five bubble-nesting Betta species (Teleostei: Osphronemidae)
FIGURE 1. Collection localities of broodstocks for the five Betta species from Thailand: B. imbellis (a), B. mahachaiensis (b), B. splendens (c), B. siamorientalis (d), and B. smaragdina (e).
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.