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874 results for “elongation”
The avian vocal system: 3D reconstruction reveals upper vocal tract elongation during head motion
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Data from: Extreme neck elongation evolved despite strong developmental constraints in bizarre Triassic reptiles – implication for neck modularity in archosaurs
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Data for: Rigidity sensing of inclusions directs differentiated cell elongation and force generation across phenotypes
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Data from: An Elongator mouse model of ALS spotlights TDP-43 in the motor neuron nucleolus
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FIGURE 2. Magnumtergalis albonigra n. comb. male holotype. A-B in Studies of Raspy Crickets: Magnumtergalis n. gen. a new gryllacrid genus with elongate male terminalia (Orthoptera: Gryllacrididae) from Colombia
FIGURE 2. Magnumtergalis albonigra n. comb. male holotype. A-B. Habitus in lateral and dorsal views respectively. C. Frons. D-G. Terminalia in lateral, dorsal, latero-ventral and ventral view respectively. Photos: M. Paris (MNCN).
FIGURE 1. Magnumtergalis aldarioarenasi n in Studies of Raspy Crickets: Magnumtergalis n. gen. a new gryllacrid genus with elongate male terminalia (Orthoptera: Gryllacrididae) from Colombia
FIGURE 1. Magnumtergalis aldarioarenasi n. sp. male. A. Habitus in lateral view. B. Frons and legs. C. Habitus in laterodorsal view, without legs and terminalia. D. Hind leg. E-G. Terminalia in lateral, dorsal and ventral views respectively.
Data from: Artificial selection sheds light on developmental mechanisms of limb elongation
Species diversity in limb lengths and proportions is thought to have evolved adaptively in the context of locomotor and habitat specialization, but the heritable cellular processes that drove this evolution within species are poorly understood. In this study, we take a novel "micro-evo-devo" approach, using artificial selection on relative limb length to amplify phenotypic variation in a population of mice, known as Longshanks, to examine the cellular mechanisms of postnatal limb development that contribute to intraspecific limb length variation. Cross-sectional growth data indicate that differences in bone length between Longshanks and random-bred controls are not due to prolonged growth, but to accelerated growth rates. Histomorphometric and cell proliferation assays on proximal tibial growth plates show that Longshanks' increased limb bone length is associated with an increased number of proliferative chondrocytes. In contrast, we find no differences in other growth plate cellular features known to underlie interspecific differences in limb bone size and shape, such as the rates of chondrocyte proliferation or the size and number of hypertrophic cells in the growth plate. These data suggest that small differences among individuals in the number of proliferating chondrocytes are a potentially important determinant of selectable intraspecific variation in individual limb bone lengths, independent of body size.
FIGURES 10–13 in Superodontella gladiator, a new species of the family Odontellidae (Collembola: Poduromorpha) from Nepal with extremely elongated mouthparts
FIGURES 10–13, Superodontella gladiator sp. nov., scanning electron micrographs: 10, labium, ventral (scale 1µm); 11, general ventral view (scale 100µm); 12, right, slightly ventral side of Abd. V and VI showing the furca, right anal spine (AS) and coarse tegumentary granules (scale 10µm); 13, Ocular plate showing peri-ocular groove and sunken postantennal organ (PAO) (scale 10 µm).
FIGURES 1–9 in Superodontella gladiator, a new species of the family Odontellidae (Collembola: Poduromorpha) from Nepal with extremely elongated mouthparts
FIGURES 1–9, Superodontella gladiator sp. nov.: 1, habitus and dorsal chaetotaxy. S=S-chaeta. Di, De and Dl=theoretical chaetal areas; 2, left Ant. IV, ventrally. 9=S9; 3, left Ant. II, III and IV, dorsally, S-chaetae blackened 1, 2, 3, 4, 7, 8=S1, S2, S3, S4, S7, S8; 4, right ocular plate and postantennal organ; 5, mouthparts; Fu—fulcrum, Mdmandible, St—stipes; 6, labium; dotted line at level of chaetae F indicates distal limit of primary granules on the labium; 7, left leg III, ventrally; 8, Dens and mucro, dorsally; 9, Abd. VI, ventrally with anal valves; chaetae hr around anal aperture are filled in black.
FIGURES 15 – 21. Antenna, dorsal view. Arrows indicate elongate third antennomere. 15 in Revision of the genus Adelostoma (Coleoptera: Tenebrionidae). Part 1: subgenus Zarudnionymus Semenov & Bogatchev, 1947
FIGURES 15 – 21. Antenna, dorsal view. Arrows indicate elongate third antennomere. 15. Adelostoma abyssinicum abyssinicum (non-type); 16. A. a. hirsutum (non-type); 17. A. a. obockensis subsp. nov. (holotype); 18. A. batesi (non-type); 19. A. borowieci (non-type); 20. A. gilloni (non-type); 21. A. grande (non-type).
FIGURE 5 in A new species of moray eel (Anguilliformes: Muraenidae) from Taiwan, with comments on related elongate unpatterned species
FIGURE 5.Phylogenetic inferred based on ND5 gene sequences (600 bp) for the elongate unpatterned moray eels. The bootstrap values and posterior probability higher than 50% are shown at the branching points. Methods A) ML; B) BI; C) NJ; D) MP.
FIGURE 4 in A new species of moray eel (Anguilliformes: Muraenidae) from Taiwan, with comments on related elongate unpatterned species
FIGURE 4. Phylogenetic inferred based on COI gene sequences (600 bp) for the elongate unpatterned moray eels. The bootstrap values and posterior probability higher than 50% are shown at the branching points. Methods A) ML; B) BI; C) NJ; D) MP.
FIGURE 3 in A new species of moray eel (Anguilliformes: Muraenidae) from Taiwan, with comments on related elongate unpatterned species
FIGURE 3. Other eight elongate unpatterned moray eels used in this study. A. Gymnothorax albimarginatus, TOU-AE 4220, 799 mm TL; B. "G." dorsalis, TOU-AE 4834, 619 mm TL; C. G. melanosomatus, TOU-AE 5095, 447 mm TL; D. G. prolatus, TOU-AE 4833, 490 mm TL; E. G. phasmatodes, TOU-AE 227, 382 mm TL; F. G. sagmacephalus, TOU-AE 226, 464 mm TL; G. Pseudechidna brummeri, TOU-AE 5137, 592 mm TL; H. Strophidon sathete, TOU-AE 3028, 1261 mm TL.
FIGURE 1 in A new species of elongate unpatterned moray eel of the genus Gymnothorax (Muraenidae: Muraeninae) from the Bay of Bengal
FIGURE 1. Gymnothorax indicus sp. nov. (Holotype: 355 mm TL). Pin denotes the origin of the dorsal and anal fins.
FIGURE 2 in A new species of elongate unpatterned moray eel of the genus Gymnothorax (Muraenidae: Muraeninae) from the Bay of Bengal
FIGURE 2. Lateral view of head and head pores of Gymnothorax indicus sp. nov. (AN: Anterior Nostril; SOP: Supra-orbital pores; PN: Posterior nostril; IOP: Inter-orbital Pores; MP: Mandibular Pores; BP: Branchial pores)
Figs 90 – 92 in Evolution of genital asymmetry, exaggerated eye stalks, and extreme palpal elongation in Panjange spiders (Araneae: Pholcidae)
Figs 90 – 92. Panjange bukidnon Huber sp. nov. (ZFMK, Ar 13023). 90. Male prosoma and chelicerae, frontal view. 91 – 92. Left male palp, prolateral and retrolateral views. Abbreviations: a = appendix; b = genital bulb; e = embolus; h = hinge; p = procursus. Scale bars = 0.5 mm.
Figs 84 – 89 in Evolution of genital asymmetry, exaggerated eye stalks, and extreme palpal elongation in Panjange spiders (Araneae: Pholcidae)
Figs 84 – 89. Panjange marilog Huber sp. nov., SEM micrographs (ZFMK, Ar 13019). 84. Male prosoma, frontal view (asterisk marks stronger hairs below ocular area). 85. Spines on male clypeus. 86. Left male palp, prolateral view. 87. Right eye stalk, triad, and hooked process, oblique frontal view. 88. Male gonopore. 89. Male palpal tarsal organ. Abbreviations: a = appendix; b = genital bulb; p = procursus; te = tarsal elongation; sp = spines on clypeus; vp = ventral process. Scale bars: 84 = 300 µm; 85 = 40 µm; 86 = 200 µm; 87 = 80 µm; 88 = 30 µm; 89 = 20 µm.
Figs 79 – 83 in Evolution of genital asymmetry, exaggerated eye stalks, and extreme palpal elongation in Panjange spiders (Araneae: Pholcidae)
Figs 79 – 83. Panjange marilog Huber sp. nov. (ZFMK, Ar 13019) 79 – 80. Left male palp, prolateral and retrolateral views. 81. Male prosoma and chelicerae, frontal view. 82 – 83. Cleared female genitalia, ventral and dorsal views. Abbreviations: a = appendix; b = genital bulb; e = embolus; h = hinge; p = procursus; pto = palpal tarsal organ; te = tarsal elongation; tp = toothed process of proximal bulbal sclerite; tr = trochanter; vp = ventral process. Scale bars: 79 – 81 = 0.5 mm; 82 – 83 = 0.3 mm.
Figs 74 – 78 in Evolution of genital asymmetry, exaggerated eye stalks, and extreme palpal elongation in Panjange spiders (Araneae: Pholcidae)
Figs 74 – 78. Panjange dinagat Huber sp. nov. (ZFMK, Ar 13016). 74 – 75. Left male palp, prolateral and retrolateral views. 76. Male prosoma and chelicerae, frontal view. 77 – 78. Cleared female genitalia, ventral and dorsal views. Abbreviations: a = appendix; b = genital bulb; e = embolus; p = procursus; tr = trochanter. Scale bars: 74 – 76 = 0.5 mm; 77 – 78 = 0.3 mm.
Figs 69 – 73 in Evolution of genital asymmetry, exaggerated eye stalks, and extreme palpal elongation in Panjange spiders (Araneae: Pholcidae)
Figs 69 – 73. Panjange isarog Huber sp. nov. (ZFMK, Ar 13013, 13014). 69 – 70. Left male palp, prolateral and retrolateral views. 71. Male prosoma and chelicerae, frontal view. 72 – 73. Cleared female genitalia, ventral and dorsal views. Abbreviations: a = appendix; b = genital bulb; e = embolus; p = procursus; ps = proximal bulbal sclerite; te = tarsal elongation; tp = toothed process of proximal bulbal sclerite; tr = trochanter. Scale bars: 69 – 71 = 0.5 mm; 72 – 73 = 0.3 mm.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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.