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806 results for “cavities”
FIGURES 41 – 44 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze
FIGURES 41 – 44. Macrobiotus reinhardti sp. nov. – processes and surfaces of eggs; note arrow on fig. 42 indicates a pore in the basal portion of process, arrow on fig. 43 indicates wrinkled surface between processes and arrow on fig. 44 indicates smaller pore in the surface between processes. (SEM)
FIGURES 45 – 50 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze
FIGURES 45 – 50. Macrobiotus reinhardti sp. nov. – intentionally damaged egg; 45 – general view, 46 48 – the sequence of closer views of the internal structure of processes; 49 – single process; 50 – torn wall of process; arrows on figs 48 – 49 indicate pores in the internal wall of processes, arrows on fig. 50 indicate external and internal walls of process. (SEM)
FIGURES 18 – 19 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze
FIGURES 18 – 19. Macrobiotus reinhardti sp. nov. – hind legs; 18 – dorsal view, note fine granulation on the legs; 19 – ventral view, note larger lunules on the internal claws (paratypes). (SEM)
FIGURES 30 – 31 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze
FIGURES 30 – 31. Macrobiotus reinhardti sp. nov. – process on the circumference of egg; 30 – surface, 31 – middle section (DIC).
FIGURES 25 – 29 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze
FIGURES 25 – 29. Macrobiotus reinhardti sp. nov. 25 – 27 – surfaces of eggs; 28 – middle section of egg (note the embryo inside); 29 – the first instar hatching. (DIC)
FIGURES 8 – 16 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze
FIGURES 8 – 16. Macrobiotus reinhardti sp. nov. 8 11 – sequential sections of buccal apparatus (from ventral to dorsal view); 12 16 – sequential sections of the oral cavity (from ventral to dorsal view), arrows indicate bands of teeth (paratype). (DIC)
FIGURES 2 – 3 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze
FIGURES 2 – 3. Macrobiotus reinhardti sp. nov. – habitus; 2 – ventral view, 3 – middle section view (paratype). (DIC)
FIGURE 5. Buccal cavity and third maxillipeds. A in Ankerius aenigmaticus, a new genus and new species of aphanodactylid crab symbiotic with polychaetes from the Red Sea coast of Saudi Arabia (Crustacea: Decapoda: Brachyura: Aphanodactylidae)
FIGURE 5. Buccal cavity and third maxillipeds. A, Selwynia laevis Borradaile, 1903, holotype male (7.1 × 5.6 mm) (CUMZ I. 63872), Hulule Atoll, Maldives, coll. J. S. Gardiner, 1900; B, Gandoa brevipes (H. Milne Edwards, 1853), female (7.2 × 5.0 mm) (ZSM 1277 / 1) [holotype of Voeltzkowia zanzibarensis Lenz, 1905], Kokotoni, Zanzibar, coll. July 1889; C, Gustavus mecognathus Ahyong & Ng, 2009, paratype female (13.9 × 8.0 mm) (ZRC 2010.0252), SW Cocos Barrier, Guam, near small pass on large terebellid worm, coll. G. Paulay, 20 March 2000; D, Ankerius aenigmaticus gen. et sp. nov., female holotype (7.2 × 7.0 mm) (UF), Red Sea coast of Saudi Arabia.
Dataset related to the publication "Sub-Doppler optical-optical double-resonance spectroscopy using a cavity-enhanced frequency comb probe"
<p>The files contain </p><p>1. Binary files with normalized and interleaved double-resonance spectra recorded with three different pump transitions and two different relative pump-probe polarizations, indicated in the file name. These spectra are the results of 5 measurements.</p><p>2. Binary file with 45 normalized and interleaved double-resonance spectra recorded with pump on the R(2, <i>F2</i>) transition and parallel relative pump-probe polarization.</p><p>2. Data for Figures 4, S1 and S3 in the paper.</p><p> </p>
Secondary Amazon rainforest partially recovers tree cavities suitable for nesting birds in 18–34 years
<p>Passive restoration of secondary forests can partially offset loss of biodiversity following tropical deforestation. Tree cavities, an essential resource for cavity-nesting birds, are usually associated with old forest. We investigated the restoration time for tree cavities suitable for cavity-nesting birds in secondary forest at the Biological Dynamics of Forest Fragments Project (BDFFP) in central Amazonian Brazil. We hypothesized that cavity abundance would increase with forest age, but more rapidly in areas exposed to cutting only, compared to areas where forest was cut and burned. We also hypothesized that cavities would be lower, smaller, and less variable in secondary forest than in old-growth forest, which at the BDFFP is part of a vast lowland forest with no recent history of human disturbance. We used pole-mounted cameras and tree-climbing to survey cavities in 39 plots (each 200 × 40 m) across old-growth forests and 11–34 year-old secondary forests. We used generalized linear models to examine how cavity supply was related to forest age and land-use history (cut only vs cut-and-burn), and principal components analysis to compare cavity characteristics between old-growth and secondary forest. Cavity availability increased with secondary forest age, regardless of land-use history, but the oldest secondary forest (31–34 years) still had fewer cavities (mean ± SE = 9.8 ± 2.2 cavities/ha) than old-growth forest (20.5 ± 4.2 cavities/ha). Moreover, secondary forests lacked cavities that were high and deep, with large entrances – characteristics likely to be important for many species of cavity-nesting birds. Several decades may be necessary to restore cavity supply in secondary Amazonian forests, especially for the largest birds (e.g, forest-falcons and parrots > 190 g). Retention of legacy trees as forest is cleared might help maintain a supply of cavities that could allow earlier recolonization by some species of cavity-nesting birds when cleared areas are abandoned.</p>
Figure data for article "Controlling the dynamics of atomic correlations via the coupling to a dissipative cavity"
<p>The files contain the data depicted in the figures of the article "Controlling the dynamics of atomic correlations via the coupling to a dissipative cavity", Phys. Rev. Lett. <strong>134</strong>, 073604 (2025)</p> <p>The format of the data and to which figure it corresponds is described in the file "read_me_metadata.txt".</p>
Рис. 2. Продольный (А–Д) и поперечный (Е–З) среЗы череЗ наружный покров ноги моллюска с раЗными типами складок: А, Б – Широкие складки в виде плато, В, Г – длинные иЗвилистые складки, Д, Е – складки с округлыми и бокаловидными клетками в субЭпителиальном слое, Ж, З – слабовыраженные складки с больШими полостЯми (синусами) длЯ гемолимфы под субЭпителиальным слоем. МасШтабные линейки 200 мкм (А, В, Ж, З) и 100 мкм (Б, Г–Е). вК – клетки с вакуолЯми, сэ – субЭпителиальный слой, БК – бокаловиднаЯ клетка, сг – синусы длЯ гемолимфы, ф – фолликулы, а – ацинусы. Fig. 2. Saggital (А–Д) and transverse (Е–З) sections of pedal integument with different types of plicae: А, Б – broad plateau-shaped plicae, В, Г – long, tortuous plicae, Д, Е – plicae with round and goblet cells in the subepithelial layer, Ж, З – mild plicae with large cavities (sinuses) for hemolymph under subepithelial layer. Scale bars 200 µm (А, В, Ж, З) and 100 µm (Б, Г–Е). вК – cells with vacuoles, сэ – subepithelial layer, БК – goblet cell, сг – sinuses for hemolymph, ф – follicles, а – acini. in Nodularia vladivostokensis (Bivalvia: Unionidae) from Razdolnaya River (Primorye, Russia)
Рис. 2. Продольный (А–Д) и поперечный (Е–З) среЗы череЗ наружный покров ноги моллюска с раЗными типами складок: А, Б – Широкие складки в виде плато, В, Г – длинные иЗвилистые складки, Д, Е – складки с округлыми и бокаловидными клетками в субЭпителиальном слое, Ж, З – слабовыраженные складки с больШими полостЯми (синусами) длЯ гемолимфы под субЭпителиальным слоем. МасШтабные линейки 200 мкм (А, В, Ж, З) и 100 мкм (Б, Г–Е). вК – клетки с вакуолЯми, сэ – субЭпителиальный слой, БК – бокаловиднаЯ клетка, сг – синусы длЯ гемолимфы, ф – фолликулы, а – ацинусы. Fig. 2. Saggital (А–Д) and transverse (Е–З) sections of pedal integument with different types of plicae: А, Б – broad plateau-shaped plicae, В, Г – long, tortuous plicae, Д, Е – plicae with round and goblet cells in the subepithelial layer, Ж, З – mild plicae with large cavities (sinuses) for hemolymph under subepithelial layer. Scale bars 200 µm (А, В, Ж, З) and 100 µm (Б, Г–Е). вК – cells with vacuoles, сэ – subepithelial layer, БК – goblet cell, сг – sinuses for hemolymph, ф – follicles, а – acini.
Ion permeation through a narrow cavity constriction in KCNQ1 channels, scours files of MD simulations and analysis of electrophysiological experiments.
<p>Source files of Molecular Dynamic (MD) simulations and analysis files of electrophysiology data in Igor pro software format. KCNQ1 channel pore region (G245-K354) was embedded in a lipid bilayer consisting of phosphatidylcholine phospholipids (POPC) and ion permission mechanism was analized by MD simulations using the computational electrophysiology (compEL) method implemented in GROMACS v2022.4. Ion imbalance between compartments of double-membrane system created a membrane potential of abour 300 mV which drives ion movment.</p>
Data sets, code, figures for Sensing force gradients with cavity optomechanics while evading backaction
<p>The directory contains data sets, code and figures for the published version of the research article Sensing force gradients with cavity optomechanics while evading backaction.</p>
Figure data for: Cavity-mediated electron-photon pairs
<p>These files contain the figure data and code for the paper "Cavity-mediated electron-photon pairs"</p>
Bee Tracker – an open-source machine-learning based video analysis software for the assessment of nesting and foraging performance of cavity-nesting solitary bees
<p>The foraging and nesting performance of bees can provide important information on bee health and is of interest for risk and impact assessment of environmental stressors. While radio-frequency identification (RFID) technology is an efficient tool increasingly used for the collection of behavioral data in social bee species such as honey bees, behavioral studies on solitary bees still largely depend on direct observations, which is very time-consuming.</p> <p>Here, we present a novel automated methodological approach of individually and simultaneously tracking and analyzing foraging and nesting behavior of numerous cavity-nesting solitary bees. The approach consists of monitoring nesting units by video recording and automated analysis of videos by a machine learning based software. This <i>Bee Tracker</i> software consists of four trained deep learning networks to detect bees that enter or leave their nest and to recognize individual IDs on the bees' thorax as well as the IDs of their nests according to their positions in the nesting unit.</p> <p>The software is able to identify each nest of each individual nesting bee, which permits to measure individual-based measures of reproductive success. Moreover, the software quantifies the number of cavities a female enters until it finds its nest as a proxy of nest recognition, and it provides information on the number and duration of foraging trips. By training the software on 8 videos recording 24 nesting females per video, the software achieved a precision of 96% correct measurements of these parameters.</p> <p>The software could be adapted to various experimental setups by training it to an according set of videos. The presented method allows to efficiently collect large amounts of data on cavity-nesting solitary bee species and represents a promising new tool for the monitoring and assessment of behavior and reproductive success under laboratory, semi-field and field conditions.</p>
Text-fig. 6. Scanning electron micrographs of seeds of ericalean affinity (a–d) and seeds of uncertain affinity (e–i) from Zliv-Řídká Blana locality. a: Protovisnea sp. 1, rounded seed with the narrow elongate seed cavity flanked by two bulging regions of larger cells, no. NM-F 3177; b: Protovisnea sp. 2, angular seed with the narrow elongate seed cavity flanked by two bulging regions of larger cells, no. NM-F 3179; c, d: Eurya crassitesta, one seed split into two parts, no. NM-F 3211, c – surface cells of the seed coat are palisade, d – cross-section of the seed; e: Nympheaceae sp. 1, seed, no. NM-F 3636; f: Nympheaceae sp. 2, seed, no. NM-F 4634; g: Klikovispermum sp.1, seeds with irregular outline and smooth outer surface, no. NM-F 3203; h: Klikovispermum malechii, seed with an orange-segment shape, no. NM-F 3299; i: Taxon 35, seed, no. NM-F 3236. in Plant Mesofossils From The Late Cretaceous Klikov Formation, The Czech Republic
Text-fig. 6. Scanning electron micrographs of seeds of ericalean affinity (a–d) and seeds of uncertain affinity (e–i) from Zliv-Řídká Blana locality. a: Protovisnea sp. 1, rounded seed with the narrow elongate seed cavity flanked by two bulging regions of larger cells, no. NM-F 3177; b: Protovisnea sp. 2, angular seed with the narrow elongate seed cavity flanked by two bulging regions of larger cells, no. NM-F 3179; c, d: Eurya crassitesta, one seed split into two parts, no. NM-F 3211, c – surface cells of the seed coat are palisade, d – cross-section of the seed; e: Nympheaceae sp. 1, seed, no. NM-F 3636; f: Nympheaceae sp. 2, seed, no. NM-F 4634; g: Klikovispermum sp.1, seeds with irregular outline and smooth outer surface, no. NM-F 3203; h: Klikovispermum malechii, seed with an orange-segment shape, no. NM-F 3299; i: Taxon 35, seed, no. NM-F 3236.
Text-fig. 2. SEM images of Miranthus elegans gen. et sp. nov.; Mira locality, Portugal. a, b: Flowers in oblique lateral view showing remains of calyx and slightly semi-inferior ovary with elongated apical style (a); note larger openings in the floral tissue (asterisk) interpreted as schizogenous secretory cavities and the stomata-like secretory structures on the upper portion of the ovary (arrows) that are interpreted as nectariferous (b). c: Detail of ovary surface showing secretory stomata-like structures (arrows). d: Flower in lateral view showing fragmentary calyx and broken slightly semi-inferior ovary with secretory stomata-like structures; note the point of attachment of the central placenta (pl). e: Cluster of seeds removed from the ovary in (d) showing reticulate surface. f: Outer (abaxial) surface of calyx lobe showing the slightly pointed papillae and scattered, fine trichomes (arrows). g: Triaperturate pollen grains from the ovary surface. Specimens, Mira 100-S153146 (a, b), Mira 100-S170155 (c), Mira 100-S101266 (d, e), Mira 105-S100732 (f), Mira 100-S170125 (g). Scale bars = 600 µm (a, b, d), 300 µm (f), 100 µm (c, e), 10 µm (g). in Early Flowers Of Primuloid Ericales From The Late Cretaceous Of Portugal And Their Ecological And Phytogeographic Implications
Text-fig. 2. SEM images of Miranthus elegans gen. et sp. nov.; Mira locality, Portugal. a, b: Flowers in oblique lateral view showing remains of calyx and slightly semi-inferior ovary with elongated apical style (a); note larger openings in the floral tissue (asterisk) interpreted as schizogenous secretory cavities and the stomata-like secretory structures on the upper portion of the ovary (arrows) that are interpreted as nectariferous (b). c: Detail of ovary surface showing secretory stomata-like structures (arrows). d: Flower in lateral view showing fragmentary calyx and broken slightly semi-inferior ovary with secretory stomata-like structures; note the point of attachment of the central placenta (pl). e: Cluster of seeds removed from the ovary in (d) showing reticulate surface. f: Outer (abaxial) surface of calyx lobe showing the slightly pointed papillae and scattered, fine trichomes (arrows). g: Triaperturate pollen grains from the ovary surface. Specimens, Mira 100-S153146 (a, b), Mira 100-S170155 (c), Mira 100-S101266 (d, e), Mira 105-S100732 (f), Mira 100-S170125 (g). Scale bars = 600 µm (a, b, d), 300 µm (f), 100 µm (c, e), 10 µm (g).
Text-fig. 1. SEM images of flowers of Miranthus elegans gen. et sp. nov.; Mira locality, Portugal. a, b: Flowers in lateral view showing elongated pedicel, narrowly triangular sepals and elongated protruding style (a); note the large openings in the floral tissue and pedicel (asterisks) interpreted as schizogenous secretory cavities. c: Flower in lateral view with portion of the calyx missing exposing the ovary wall and slightly raised nectariferous ring with probable stomata-like secretory structures (arrow). d: Flower in lateral view showing long pedicel and three of the five tepals; note the elongated narrowly triangular form of the sepals. e: Flower in oblique lateral view with portion of the calyx missing exposing the ovary and elongated style. f, g: Flowers in apical view showing the bases of five sepals (f) and apex of the five-parted ovary; note larger openings in the floral tissue (asterisk) interpreted as schizogenous secretory cavities. Specimens, Mira 100-S170155 (a, holotype), Mira 100-S153145 (b, c, g), Mira 100- S101267 (d), Mira 105-S100732 (e), Mira 100-S101268 (f). Scale bars = 600 µm (a–g). in Early Flowers Of Primuloid Ericales From The Late Cretaceous Of Portugal And Their Ecological And Phytogeographic Implications
Text-fig. 1. SEM images of flowers of Miranthus elegans gen. et sp. nov.; Mira locality, Portugal. a, b: Flowers in lateral view showing elongated pedicel, narrowly triangular sepals and elongated protruding style (a); note the large openings in the floral tissue and pedicel (asterisks) interpreted as schizogenous secretory cavities. c: Flower in lateral view with portion of the calyx missing exposing the ovary wall and slightly raised nectariferous ring with probable stomata-like secretory structures (arrow). d: Flower in lateral view showing long pedicel and three of the five tepals; note the elongated narrowly triangular form of the sepals. e: Flower in oblique lateral view with portion of the calyx missing exposing the ovary and elongated style. f, g: Flowers in apical view showing the bases of five sepals (f) and apex of the five-parted ovary; note larger openings in the floral tissue (asterisk) interpreted as schizogenous secretory cavities. Specimens, Mira 100-S170155 (a, holotype), Mira 100-S153145 (b, c, g), Mira 100- S101267 (d), Mira 105-S100732 (e), Mira 100-S101268 (f). Scale bars = 600 µm (a–g).
Text-fig. 2. CT slices on Block 2. Details of other skeletal parts (a). The familiar shape of an ammonite (a, c). Holes, cracks and empty cavities in both the limestone matrix and within the vertebrate fossil (b, c). Heterogeneity of the 'tuffeau' limestone, the more porous areas of the matrix clearly distinguishable from the more compact ones (c). Ferric nodules (c). in Hidden Treasures Uncovered: Successful Detection Of Fossils Below The Surface In Large Limestone Blocks Using A Standard Medical X-Ray Ct Scanner
Text-fig. 2. CT slices on Block 2. Details of other skeletal parts (a). The familiar shape of an ammonite (a, c). Holes, cracks and empty cavities in both the limestone matrix and within the vertebrate fossil (b, c). Heterogeneity of the 'tuffeau' limestone, the more porous areas of the matrix clearly distinguishable from the more compact ones (c). Ferric nodules (c).
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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.