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542 results for “hardness”
Fig. 6 in Hardly Venus's servant-morphological adaptations of Veneriserva to an endoparasitic lifestyle and its phylogenetic position within Dorvilleidae (Annelida)
Fig. 6 Epidermal ultrastructure of Veneriserva pygoclava. A–D TEM images of the epidermis revealing the presence of dense, modified microvilli (mv) that cover the body surface. A mucosecretory gland cell (gl) is discernable in A. D shows details of a multi-ciliated epidermal cell. B depicts the microvilli (mv) covering the cuticle (cu). Note the inflated tips of the microvilli and the electron-dense droplets. E Apically the epidermal cells display an abundance of transport vesicles (v). Arrowheads mark the branching microvilli piercing through the cuticle in all images. Abbreviations—ci cilia, m mitochondria, nc nucleus
Fig. 3 in Hardly Venus's servant-morphological adaptations of Veneriserva to an endoparasitic lifestyle and its phylogenetic position within Dorvilleidae (Annelida)
Fig. 3 µCT visualization of parasites within Aphrodita longipalpa. A 3D rendering of parasites shown within the projection of the host body. B–D Virtual dissections of surface renderings, showing crosssections of the host across three consecutive body regions, from anterior to posterior. Raw image data from the micro-CT stack, illustrating a horizontal section through the host (E) and a sagittal section (F). Head of the juvenile parasite is magnified to display the prominent jaws in white. Abbreviations—ja jaws, ne nephridia, pha pharynx. Female Veneriserva pygoclava is shown in yellow or with yellow arrowheads and the juvenile V. pygoclava in blue or with blue arrowheads
Fig. 4 AZAN-stained paraffin histology. A in Hardly Venus's servant-morphological adaptations of Veneriserva to an endoparasitic lifestyle and its phylogenetic position within Dorvilleidae (Annelida)
Fig. 4 AZAN-stained paraffin histology. A Histological cross-section of a juvenile Aphrodita longipalpa featuring an endoparasitic immature Veneriserva pygoclava (denoted by a star). B Longitudinal section of V. pygoclava, highlighting the absence of a through gut, and continuous uninterrupted mesenteries. C–H Cross-sections through the anterior region of V. pygoclava, showing the muscularized pharynx with jaws culminating in blind termination at section G. Abbreviations—ac acicula, br brain, df dorsal felt, el elytra, ja jaws, mo mouth, ne nephridium, pha pharynx, vnc ventral nerve cord
Fig. 2 Parasite abundance and distribution statistics. A in Hardly Venus's servant-morphological adaptations of Veneriserva to an endoparasitic lifestyle and its phylogenetic position within Dorvilleidae (Annelida)
Fig. 2 Parasite abundance and distribution statistics. A total of 58 Aphrodita longipalpa were dissected and examined for parasite presence. The upper horizontal bars graphically depict the proportional parasitism rates and the corresponding distribution among male, female, and juvenile parasites, along with various cohabitation configurations. The box plots show the relationship between host size and the occurrence of parasites, presented collectively and then individually for female, male, and juvenile parasites
◂Fig. 5 Gametogenesis in male and female Veneriserva pygoclava. A–D Semi-thin histological sections of female Veneriserva pygoclava, stained with toluidine blue. A Cross-section of a female Veneriserva. B Close-up of large mature oocytes without discernible nurse cells. C Developing oocytes attached to mesenteries (mes), and oogonia proliferating from the ventral side of the dorsal blood vessel (bv). D Details of vitellogenic oocytes and nurse cells. Arrowheads indicate brownstained yolk platelets and yolk bodies. E Live sperm cells captured in a light micrograph. F–G Cross-sections of male Veneriserva. Note the absence of a gut in the cross-sections. Abbreviations—ac acicula, acr acrosome, bv blood vessel, coe coelomic cavity, mes mesentery, nc nurse cell, nn nurse cell nucleus, nu sperm cell nucleus, Oo oocyte, on oocyte nucleus, sp spermatogonia, vnc ventral nerve cord in Hardly Venus's servant-morphological adaptations of Veneriserva to an endoparasitic lifestyle and its phylogenetic position within Dorvilleidae (Annelida)
◂Fig. 5 Gametogenesis in male and female Veneriserva pygoclava. A–D Semi-thin histological sections of female Veneriserva pygoclava, stained with toluidine blue. A Cross-section of a female Veneriserva. B Close-up of large mature oocytes without discernible nurse cells. C Developing oocytes attached to mesenteries (mes), and oogonia proliferating from the ventral side of the dorsal blood vessel (bv). D Details of vitellogenic oocytes and nurse cells. Arrowheads indicate brownstained yolk platelets and yolk bodies. E Live sperm cells captured in a light micrograph. F–G Cross-sections of male Veneriserva. Note the absence of a gut in the cross-sections. Abbreviations—ac acicula, acr acrosome, bv blood vessel, coe coelomic cavity, mes mesentery, nc nurse cell, nn nurse cell nucleus, nu sperm cell nucleus, Oo oocyte, on oocyte nucleus, sp spermatogonia, vnc ventral nerve cord
Fig. 2 in Wild pigs as sentinels for hard ticks: A case study from south-central Florida
Fig. 2. Mean intensity of infestation of adult ticks collected from wild pigs from May 22, 2015 to May 09, 2017. Ticks which could not be identified to species were excluded from this figure. Values of zero indicate that wild pigs were sampled during that month, but no adults of the indicated species were collected.
Fig. 4 in Wild pigs as sentinels for hard ticks: A case study from south-central Florida
Fig. 4. Estimated mean density of host-seeking ticks per 10 m 2 by life stage and habitat type with 95% confidence intervals shown as vertical bars. Numerical values for the estimated mean densities and 95% confidence intervals are reported in Table S5.
Fig. 1 in Wild pigs as sentinels for hard ticks: A case study from south-central Florida
Fig. 1. Location of Buck Island Ranch, Lake Placid, Florida denoted by blue circle. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
Fig. 3 in Wild pigs as sentinels for hard ticks: A case study from south-central Florida
Fig. 3. Average density of adults collected by dragging from May 14, 2015 to August 29, 2017. Values of zero indicate that drags were conducted during that month in the specified habitat, but no adults of the indicated species were collected. Symbol colors denote habitat and symbol shapes denote tick species. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
Local order and crystallization of dense polydisperse hard spheres
<p>This dataset is associated with "Local order and crystallization of dense polydisperse hard spheres", Daniele Coslovich, Misaki Ozawa, and Ludovic Berthier, J. Phys.: Condens. Matter 30, 144004 (2018) [<a href="http://doi.org/10.1088/1361-648X/aab0c9">doi:10.1088/1361-648X/aab0c9</a><a href="https://arxiv.org/abs/1801.09638"> arXiv:1801.09638</a>]. <br> <br> It include scripts and data files to allow for the replication of the figures. EPS figures were generated using gnuplot version 5.0.</p>
A Hard Day's Night: Diel shifts in microbial eukaryotic activity in the North Pacific Subtropical Gyre
<p><strong>A Hard Day’s Night: Diel shifts in microbial eukaryotic activity in the North Pacific Subtropical Gyre </strong>(<em>submitted</em>)</p> <p><strong>Authors: </strong>Sarah K. Hu<sup>1</sup>*, Paige E. Connell<sup>1</sup>, Lisa Y. Mesrop<sup>1</sup>, & David A. Caron<sup>1</sup></p> <p><sup>1</sup>University of Southern California, Biological Sciences, Los Angeles, CA, USA</p> <p> </p> <p><strong>Abstract</strong></p> <p>Molecular analysis revealed diel rhythmicity in the metabolic activity of single-celled microbial eukaryotes (protists) at station ALOHA in the North Pacific Subtropical Gyre. Diel trends among different protistan taxonomic groups reflected distinct nutritional capabilities and temporal niche partitioning. Changes in relative metabolic activities among phototrophs corresponded to the light cycle, generally peaking in mid- to late-afternoon. Metabolic activities of protistan taxa with phagotrophic ability were higher at night, relative to daytime, potentially in response to increased availability of picocyanobacterial prey. Tightly correlated Operational Taxonomic Units throughout the diel cycle implicated the existence of parasitic and mutualistic relationships within the microbial eukaryotic community, underscoring the need to define and include these symbiotic interactions in marine food web descriptions. This study provided a new high-resolution view into the ecologically important interactions among primary producers and consumers that mediate the transfer of carbon to higher trophic levels. Characterizations of the temporal dynamics of protistan activities contribute knowledge for predicting how these microorganisms respond to environmental forcing factors.</p> <p> </p> <p><a href="https://github.com/shu251/18Sdiversity_diel">See github for additional information on data analysis.</a></p>
Supporting Data for "Refractive index matched, nearly hard polymer colloids" (Proc. R. Soc. A, doi:10.1098/rspa.2018.0763)
<p>SAXS data [Q / Å^{-1}, I(Q) / Arb. unit, error I(Q) / Arb. unit] as *.dat files</p> <p>Data for Figures 1, 2, and 5 [description and units in column headers] as *.csv files</p>
Figs 2-6. Agonistic behavior between a in The hard task of a short-tailed mouse opossum (Monodelphis) to prey a harvestman (Arachnida: Opiliones)
Figs 2-6. Agonistic behavior between a harvestman of the family Gonyleptidae and the mouse opossum Monodelphis dimidiata (Wagner, 1847). The interaction starts with the mouse opossum in an attack position, facing the harvestman (Fig. 2), then the marsupial staggers side to side (Fig. 3) and is knocked out (Fig. 4). This sequence of events is repeated two times, until the mouse opossum assumes its third attack position and attacks the harvestman (Fig. 5). The mouse opossum removes the harvestman's legs one by one to then feed on its body (Fig. 6). Image edited in the Inkscape software.
Fig. 3 in Hyalomma aegyptium the dominant hard tick in tortoises Tesdudo hermanni boettgeri found in different regions of Albania
Fig. 3. Presence of Hyalomma ticks on the Hermann'tortoise shell A. Two ticks fixed in the sutures of the left inguinal scute in the female tortoise; B. Tick presented in the marginal scute of the carapace on male tortoise; C. One tick fixed in the suture between plastron and inguinal scute and the second tick is found deeply in suture of right inguinal suture in female tortoise.
Fig. 2 in Hyalomma aegyptium the dominant hard tick in tortoises Tesdudo hermanni boettgeri found in different regions of Albania
Fig. 2. Hyalomma ticks in different Hermann's tortoise body part A. Tick fixed in the right inguinal region in female tortoise; B. Tick fixed in the base of the tail of female tortoise; C. Tick fixed in the left hind leg of female tortoise.
FIGURES 133–141 in Basibulbus, a hard-bodied, haplogyne spider genus from Chile (Araneae, Dysderoidea)
FIGURES 133–141. Basibulbus granizo, new species, male. 133. Left palp, prolateral view. 134. Same, ventral view. 135. Same, retrolateral view. 136. Left palpal bulb, prolateral view. 137, Same, ventral view. 138. Same, retrolateral view. 139. Embolus, prolateral view. 140. Same, ventral view. 141. Same, retrolateral view.
FIGURES 109–120 in Basibulbus, a hard-bodied, haplogyne spider genus from Chile (Araneae, Dysderoidea)
FIGURES 109–120. Basibulbus granizo, new species, male. 109. Tip of tarsus I, dorsal view. 110. Tarsal organ from leg I, dorsal view. 111. Same, lateral view. 112. Tip of tarsus III, dorsal view. 113. Tarsal organ from leg III, dorsal view. 114. Same, lateral view. 115. Habitus, dorsal view. 116. Same, ventral view. 117. Carapace, dorsal view. 118. Same, anterior view. 119. Same, lateral view. 120. Same, posterior view.
FIGURES 121–132 in Basibulbus, a hard-bodied, haplogyne spider genus from Chile (Araneae, Dysderoidea)
FIGURES 121–132. Basibulbus granizo, new species, male. 121. Sternum and mouthparts, ventral view. 122. Epigastric region, ventral view. 123. Colulus and spinnerets, ventral view. 124. Pedicel, ventral view. 125. Abdomen, anterior view. 126. Same, lateral view. 127. Habitus, lateral view. 128. Left palp, prolateral view. 129. Same, ventral view. 130. Same, retrolateral view. 131. Same, dorsal view. 132. Same, distal view.
FIGURES 85–96 in Basibulbus, a hard-bodied, haplogyne spider genus from Chile (Araneae, Dysderoidea)
FIGURES 85–96. Basibulbus concepcion, new species, males (85, specimen from Estero Nonguén; 86–96, specimen from Cerro Manquimávida). 85, 86. Habitus, dorsal view. 87. Habitus, ventral view. 88. Same, lateral view. 89. Carapace, anterior view. 90. Same, lateral view. 91. Same, posterior view. 92. Abdomen, anterior view. 93. Same, lateral view. 94. Carapace, dorsal view. 95. Sternum and mouthparts, ventral view. 96. Abdomen, ventral view.
FIGURES 43–54 in Basibulbus, a hard-bodied, haplogyne spider genus from Chile (Araneae, Dysderoidea)
FIGURES 43–54. Basibulbus malleco, new species, female. 43. Habitus, dorsal view. 44. Same, ventral view. 45. Carapace, dorsal view. 46. Habitus, lateral view. 47. Carapace, anterior view. 48. Same, lateral view. 49. Same, posterior view. 50. Abdomen, anterior view. 51. Sternum and mouthparts, ventral view. 52. Epigastric region, ventral view. 53. Same, cleared. 54. Genitalia, ventral view, cleared.
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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.